{"title":"TL-ONE","description":"\u003csection class=\"tlone-collection-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eTL-ONE\u003c\/strong\u003e is Thunder Lane US’s single-adjustable coilover platform built for drivers who want \u003cstrong\u003ereal track-capable damping\u003c\/strong\u003e without unnecessary complexity. Whether you’re chasing lap times in \u003cstrong\u003eTime Attack, Autocross, HPDE\u003c\/strong\u003e, or building a weekend canyon car that still needs to behave on imperfect pavement, TL-ONE delivers the balance that matters: \u003cstrong\u003econtrol, compliance, and consistency\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEvery TL-ONE set is \u003cstrong\u003ehand-assembled to order in Poland\u003c\/strong\u003e and \u003cstrong\u003evalved\u003c\/strong\u003e around your vehicle and goals. That means the suspension isn’t “one-size-fits-all” — it’s configured to match the way you drive, the grip you run, and the response you want from the chassis.\u003c\/p\u003e\n\u003ch2\u003eRebound-Adjustable Damping, With True Separation\u003c\/h2\u003e\n\u003cp\u003eTL-ONE uses a \u003cstrong\u003erebound adjuster\u003c\/strong\u003e designed for meaningful changes you can feel on track—adding support and control when you need sharper response, or backing it off for increased compliance on rougher surfaces. Unlike designs where a single adjuster can unintentionally influence both directions, TL-ONE’s internal \u003cstrong\u003echeck valves help prevent compression “crosstalk”\u003c\/strong\u003e, keeping rebound tuning focused and predictable. \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/thunderlane.us\/blogs\/shock-technology-engineering-explained\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\" target=\"_blank\"\u003e Learn what the check valve does and why it matters \u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eHigh-End Hardware \u0026amp; Monotube Performance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e for consistent performance and heat management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced piston technology\u003c\/strong\u003e for stable damping across a wide operating range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck valve architecture\u003c\/strong\u003e to support chassis control while maintaining bump compliance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectroplated damper bodies\u003c\/strong\u003e for durability and long-term corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpherical bearing top hats\u003c\/strong\u003e for precise steering feel and repeatable alignment under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamber plates included\u003c\/strong\u003e where the application supports them\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuilt for Motorsports — Validated by Results\u003c\/h2\u003e\n\u003cp\u003eThunder Lane dampers have a track record on competitive cars across \u003cstrong\u003eTime Attack, Hill Climb, and circuit racing\u003c\/strong\u003e. TL-ONE brings that same engineering approach to a streamlined, single-adjustable package — ideal for drivers who want a serious suspension foundation with straightforward tuning.\u003c\/p\u003e\n\u003ch2\u003eDyno-Tested, With Graphs Included\u003c\/h2\u003e\n\u003cp\u003eEvery TL-ONE order includes \u003cstrong\u003edyno graphs (CVP and PVP)\u003c\/strong\u003e so you can verify damping behavior and document your setup. It’s the kind of transparency and quality control that matters when you’re tuning a car for real performance. \u003ca href=\"https:\/\/thunderlane.us\/blogs\/shock-technology-engineering-explained\/how-to-read-shock-dyno-sheets-and-what-they-tell-you-about-real-world-grip\"\u003eHow to Read Shock Dyno Sheets (and what they tell you about real world grip)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy Choose TL-ONE?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack-ready performance\u003c\/strong\u003e with simple, effective adjustability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade-to-order\u003c\/strong\u003e builds with application-specific configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBespoke valving\u003c\/strong\u003e tailored to your goals and use case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium components\u003c\/strong\u003e designed for durability under high load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse the TL-ONE collection below to find the right kit for your chassis — and if you compete, ask about our \u003ca href=\"https:\/\/thunderlane.us\/blogs\/news\/thunder-lane-usa-announces-2026-racer-contingency-program\"\u003e\u003cstrong\u003econtingency program\u003c\/strong\u003e\u003c\/a\u003e that can reward drivers with product credit for participation.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"thunder-lane-track-performance-1-way-adjustable-custom-spec-coilover-kit-for-bmw-e46","title":"TL-ONE Single Adjustable BMW E46 Non-M (1997-2006)","description":"\u003cdiv class=\"tl-product\"\u003e\n\n  \u003cp\u003e\u003cstrong\u003eBuilt to order, to your spec.\u003c\/strong\u003e The \u003cstrong\u003eTL-ONE\u003c\/strong\u003e is Thunder Lane US’s track-focused single adjustable coilover system for the \u003cstrong\u003eBMW E46 (Non-M)\u003c\/strong\u003e. Every set is hand-assembled and bespoke-valved to match your tire, aero, grip level, and goals — whether that’s HPDE, autocross, time attack, or wheel-to-wheel.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eIncluded with every order:\u003c\/strong\u003e CVP + PVP \u003cstrong\u003edyno graphs\u003c\/strong\u003e, build-to-order spring rate selection, and damping tuned for repeatable performance.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat this kit delivers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConfidence and consistency\u003c\/strong\u003e on entry, mid-corner, and power-down\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReal low-speed control\u003c\/strong\u003e for tire management and predictable balance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUsable travel\u003c\/strong\u003e at your target ride height (not riding bump stops)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTL-ONE hardware highlights\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e with advanced piston technology and check valves\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e20-click rebound adjustment\u003c\/strong\u003e for fast, meaningful track-side tuning\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eIndependent ride height and preload adjustment\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term corrosion resistance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for precise response and alignment stability\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e2.5\" linear springs\u003c\/strong\u003e with customizable spring rates (Swift optional)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRebuildable \u0026amp; serviceable\u003c\/strong\u003e — individual replacement parts available\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpec options (we confirm with you)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e BMW 3-Series E46 (Non-M) — sedan\/coupe\/wagon (confirm sub-model during build)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpring rates:\u003c\/strong\u003e track-ready defaults or your requested rates\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValving profile:\u003c\/strong\u003e linear or digressive (based on your use case)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop mounts:\u003c\/strong\u003e spherical mounts \/ camber plates when applicable\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFAQ\u003c\/h3\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this kit rebuildable and serviceable?\u003c\/summary\u003e\n    \u003cp\u003eYes — all TL dampers are rebuildable and serviceable, with individual replacement parts available.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo you include dyno graphs?\u003c\/summary\u003e\n    \u003cp\u003eYes. Every order includes CVP + PVP dyno graphs so you can document performance and track changes over time.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan you help choose spring rates and setup?\u003c\/summary\u003e\n    \u003cp\u003eAbsolutely. We’ll confirm spring rates, ride height targets, and intended use during the build process.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre these suitable for street use?\u003c\/summary\u003e\n    \u003cp\u003eThese systems are built with track performance as the priority. Many customers do drive them on the street, but expect a firm, motorsport-oriented ride quality.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eLead time and warranty?\u003c\/summary\u003e\n    \u003cp\u003e\u003cstrong\u003eBuild time:\u003c\/strong\u003e built to order. \u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty (non-competition use).\u003c\/p\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":51687000408363,"sku":"TL-ONE-BMW-E46NONM-1W-FAU","price":2620.13,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51141876908331,"sku":"TL-ONE-BMW-E46NONM-1W-SWI","price":2920.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/tl_e46_350z.jpg?v=1755205491"},{"product_id":"thunder-lane-single-adjustable-coilover-350z-g35","title":"TL-ONE Single Adjustable Coilover Nissan 350z and Infiniti G35","description":"\u003cp data-end=\"569\" data-start=\"359\"\u003eThe \u003cstrong data-end=\"426\" data-start=\"363\"\u003eTL-ONE coilover system for the Nissan 350Z and Infiniti G35\u003c\/strong\u003e is a purpose-built suspension solution for drivers who demand control, consistency, and confidence—on track, on the street, or in competition.\u003c\/p\u003e\n\u003cp data-end=\"898\" data-start=\"571\"\u003eDesigned as a \u003cstrong data-end=\"607\" data-start=\"585\"\u003etrue rear coilover\u003c\/strong\u003e, the TL-ONE improves rear wheel control and balance under load, delivering predictable handling during braking, corner entry, and corner exit. This platform has been proven in real SCCA and NASA Time Trial competition, supporting podium finishes, track records, and season-long reliability.\u003c\/p\u003e\n\u003chr data-end=\"903\" data-start=\"900\"\u003e\n\u003ch2 data-end=\"939\" data-start=\"905\"\u003eSpring Rates \u0026amp; Use-Case Options\u003c\/h2\u003e\n\u003cp data-end=\"1045\" data-start=\"941\"\u003eEach TL-ONE kit is built around your intended use, with proven baseline spring and valving combinations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1089\" data-start=\"1049\"\u003e\n\u003cstrong data-end=\"1072\" data-start=\"1049\"\u003e20k Front \/ 8k Rear\u003c\/strong\u003e – Track \/ Race\u003c\/li\u003e\n\u003cli data-end=\"1134\" data-start=\"1092\"\u003e\n\u003cstrong data-end=\"1115\" data-start=\"1092\"\u003e16k Front \/ 7k Rear\u003c\/strong\u003e – Street \/ Track\u003c\/li\u003e\n\u003cli data-end=\"1193\" data-start=\"1137\"\u003e\n\u003cstrong data-end=\"1160\" data-start=\"1137\"\u003e14k Front \/ 6k Rear\u003c\/strong\u003e – Comfort \/ Performance Street\u003c\/li\u003e\n\u003cli data-end=\"1230\" data-start=\"1196\"\u003e\n\u003cstrong data-end=\"1220\" data-start=\"1196\"\u003e16k Front \/ 10k Rear\u003c\/strong\u003e – Drift\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1335\" data-start=\"1232\"\u003eThese are starting points—not off-the-shelf limitations. Every kit is tuned for your vehicle and goals.\u003c\/p\u003e\n\u003chr data-end=\"1340\" data-start=\"1337\"\u003e\n\u003ch2 data-end=\"1380\" data-start=\"1342\"\u003eBuilt to Order — Tuned for Your Car\u003c\/h2\u003e\n\u003cp data-end=\"1422\" data-start=\"1382\"\u003eTL-ONE coilovers are \u003cstrong data-end=\"1421\" data-start=\"1403\"\u003ebuilt to order\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"1586\" data-start=\"1424\"\u003eBefore production, we contact you directly to discuss your build and intended use. We tailor spring rate, valving, shock length, and travel using details such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1610\" data-start=\"1590\"\u003eTire type and size\u003c\/li\u003e\n\u003cli data-end=\"1634\" data-start=\"1613\"\u003eDesired ride height\u003c\/li\u003e\n\u003cli data-end=\"1653\" data-start=\"1637\"\u003eVehicle weight\u003c\/li\u003e\n\u003cli data-end=\"1680\" data-start=\"1656\"\u003eSway bar configuration\u003c\/li\u003e\n\u003cli data-end=\"1716\" data-start=\"1683\"\u003eCorner weights (when available)\u003c\/li\u003e\n\u003cli data-end=\"1760\" data-start=\"1719\"\u003eDriving discipline and experience level\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1907\" data-start=\"1762\"\u003eThe result is a suspension system that provides clear feedback, usable travel, and consistent performance—without relying on excessive stiffness.\u003c\/p\u003e\n\u003chr data-end=\"1912\" data-start=\"1909\"\u003e\n\u003ch2 data-end=\"1944\" data-start=\"1914\"\u003eWhat Makes TL-ONE Different\u003c\/h2\u003e\n\u003cp data-end=\"2165\" data-start=\"1946\"\u003eThe TL-ONE platform focuses on \u003cstrong data-end=\"2016\" data-start=\"1977\"\u003eplatform control and usable damping\u003c\/strong\u003e, not artificial harshness. It’s designed to stay composed under braking, stable through transitions, and predictable as grip and aero load increase.\u003c\/p\u003e\n\u003cp data-end=\"2241\" data-start=\"2167\"\u003eThis is a coilover system meant to evolve with your build—not be replaced.\u003c\/p\u003e\n\u003chr data-end=\"2246\" data-start=\"2243\"\u003e\n\u003ch2 data-end=\"2280\" data-start=\"2248\"\u003e1-Way Adjustable Kit Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"2325\" data-start=\"2284\"\u003ePillowball \/ spherical bearing top hats\u003c\/li\u003e\n\u003cli data-end=\"2351\" data-start=\"2328\"\u003e46mm monotube dampers\u003c\/li\u003e\n\u003cli data-end=\"2381\" data-start=\"2354\"\u003eFixed-length shock bodies\u003c\/li\u003e\n\u003cli data-end=\"2425\" data-start=\"2384\"\u003e\u003cstrong data-end=\"2423\" data-start=\"2384\"\u003e20-click adjustable rebound damping\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"2468\" data-start=\"2428\"\u003eCNC-machined top hats and bottom forks\u003c\/li\u003e\n\u003cli data-end=\"2511\" data-start=\"2471\"\u003eElectroplated shock bodies and collars\u003c\/li\u003e\n\u003cli data-end=\"2601\" data-start=\"2514\"\u003eShock body and spring length matched to your desired ride height (to maximize travel)\u003c\/li\u003e\n\u003cli data-end=\"2620\" data-start=\"2604\"\u003eHelper springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2694\" data-start=\"2622\"\u003eAll TL-ONE kits are \u003cstrong data-end=\"2693\" data-start=\"2642\"\u003efully rebuildable, serviceable, and re-valvable\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-end=\"2699\" data-start=\"2696\"\u003e\n\u003ch2 data-end=\"2735\" data-start=\"2701\"\u003eCustomization \u0026amp; Upgrade Options\u003c\/h2\u003e\n\u003cp data-end=\"2763\" data-start=\"2737\"\u003eAvailable options include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"2795\" data-start=\"2767\"\u003eDigressive valving profile\u003c\/li\u003e\n\u003cli data-end=\"2822\" data-start=\"2798\"\u003eLinear valving profile\u003c\/li\u003e\n\u003cli data-end=\"2869\" data-start=\"2825\"\u003eLinear compression with digressive rebound\u003c\/li\u003e\n\u003cli data-end=\"2887\" data-start=\"2872\"\u003eSwift springs\u003c\/li\u003e\n\u003cli data-end=\"2911\" data-start=\"2890\"\u003eCustom spring rates\u003c\/li\u003e\n\u003cli data-end=\"2937\" data-start=\"2914\"\u003eCustom spring lengths\u003c\/li\u003e\n\u003cli data-end=\"2970\" data-start=\"2940\"\u003eCustom helper spring lengths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3071\" data-start=\"2972\"\u003eAll TL-ONE kits are \u003cstrong data-end=\"3036\" data-start=\"2992\"\u003eupgradeable to a 3-way adjustable system\u003c\/strong\u003e with remote reservoirs, featuring:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"3118\" data-start=\"3075\"\u003e34-click low-speed compression adjustment\u003c\/li\u003e\n\u003cli data-end=\"3165\" data-start=\"3121\"\u003e24-click high-speed compression adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3170\" data-start=\"3167\"\u003e\n\u003ch2 data-end=\"3201\" data-start=\"3172\"\u003eProven in Real Competition\u003c\/h2\u003e\n\u003cp data-end=\"3421\" data-start=\"3203\"\u003eTL-ONE coilovers have been validated in real-world use—from weekend-driven cars to record-setting max-effort Time Trial builds. Proper damping, thoughtful setup, and usable travel make a measurable difference on track.\u003c\/p\u003e\n\u003cp data-end=\"3580\" data-start=\"3423\"\u003eIf you’re looking for a \u003cstrong data-end=\"3477\" data-start=\"3447\"\u003e350Z \/ G35 coilover system\u003c\/strong\u003e that delivers confidence, consistency, and long-term value, the TL-ONE is engineered for exactly that.\u003c\/p\u003e\n\u003csection id=\"tlone-faq\" class=\"tlone-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"tlone-faq__item\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eWhat does “true rear” coilover mean on a 350Z\/G35?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eA true rear coilover places the spring and damper together at the rear wheel, improving motion ratio, rear wheel control, and predictability under load compared to divorced spring setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eAre TL-ONE coilovers street drivable?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eYes. Spring rates and valving are selected based on your intended use. Street\/Track and Comfort setups prioritize compliance and control, not harshness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eDo I need to know my corner weights before ordering?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eNo. Corner weights are helpful but not required. We can tune the kit using vehicle weight, tire size, ride height, and sway bar configuration. Corner weights can be addressed later during alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eAre these off-the-shelf coilovers?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eNo. Every TL-ONE kit is built to order. Shock length, spring length, rates, and valving are tailored to your car and goals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eCan I change spring rates later?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eYes. All TL-ONE kits are fully rebuildable and re-valvable, allowing the suspension to evolve as your build changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eWhat type of driving are these designed for?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eTL-ONE coilovers are commonly used for SCCA \u0026amp; NASA Time Trials, track days, street-driven performance cars, and drift applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"tlone-faq__item\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eCan I upgrade later to remote reservoirs?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eYes. All TL-ONE kits are upgradeable to a 3-way adjustable system with remote reservoirs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (standard) \/ 20k F \/ 8k R (Track\/Race)","offer_id":51592724676907,"sku":null,"price":2320.31,"currency_code":"USD","in_stock":true},{"title":"Faulkner (standard) \/ 16k F \/ 7k R (Street\/Track)","offer_id":51592726905131,"sku":null,"price":2320.31,"currency_code":"USD","in_stock":true},{"title":"Faulkner (standard) \/ 14k F \/ 6k R (Comfort)","offer_id":51592726937899,"sku":null,"price":2320.31,"currency_code":"USD","in_stock":true},{"title":"Faulkner (standard) \/ 16k F \/ 10k R (Drift)","offer_id":51592726970667,"sku":null,"price":2320.31,"currency_code":"USD","in_stock":true},{"title":"Swift \/ 20k F \/ 8k R (Track\/Race)","offer_id":51592724709675,"sku":null,"price":2620.31,"currency_code":"USD","in_stock":true},{"title":"Swift \/ 16k F \/ 7k R (Street\/Track)","offer_id":51592727003435,"sku":null,"price":2620.31,"currency_code":"USD","in_stock":true},{"title":"Swift \/ 14k F \/ 6k R (Comfort)","offer_id":51592727036203,"sku":null,"price":2620.31,"currency_code":"USD","in_stock":true},{"title":"Swift \/ 16k F \/ 10k R (Drift)","offer_id":51592727068971,"sku":null,"price":2620.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/tl_350z_3.jpg?v=1755205262"},{"product_id":"thunder-lane-single-adjustable-coilover-370z-g37","title":"TL-ONE Single Adjustable Coilover Nissan 370z and Infiniti G37","description":"\u003cp data-start=\"359\" data-end=\"569\"\u003eThe \u003cstrong data-start=\"363\" data-end=\"426\"\u003eTL-ONE coilover system for the Nissan 370z and Infiniti g37\u003c\/strong\u003e is a purpose-built suspension solution for drivers who demand control, consistency, and confidence—on track, on the street, or in competition.\u003c\/p\u003e\n\u003cp data-start=\"571\" data-end=\"898\"\u003eDesigned as a \u003cstrong data-start=\"585\" data-end=\"607\"\u003etrue rear coilover\u003c\/strong\u003e, the TL-ONE improves rear wheel control and balance under load, delivering predictable handling during braking, corner entry, and corner exit. This platform has been proven in real SCCA and NASA Time Trial competition, supporting podium finishes, track records, and season-long reliability.\u003c\/p\u003e\n\u003chr data-start=\"900\" data-end=\"903\"\u003e\n\u003ch2 data-start=\"905\" data-end=\"939\"\u003eSpring Rates \u0026amp; Use-Case Options\u003c\/h2\u003e\n\u003cp data-start=\"941\" data-end=\"1045\"\u003eEach TL-ONE kit is built around your intended use, with proven baseline spring and valving combinations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1049\" data-end=\"1089\"\u003e\n\u003cstrong data-start=\"1049\" data-end=\"1072\"\u003e20k Front \/ 8k Rear\u003c\/strong\u003e – Track \/ Race\u003c\/li\u003e\n\u003cli data-start=\"1092\" data-end=\"1134\"\u003e\n\u003cstrong data-start=\"1092\" data-end=\"1115\"\u003e16k Front \/ 7k Rear\u003c\/strong\u003e – Street \/ Track\u003c\/li\u003e\n\u003cli data-start=\"1137\" data-end=\"1193\"\u003e\n\u003cstrong data-start=\"1137\" data-end=\"1160\"\u003e14k Front \/ 6k Rear\u003c\/strong\u003e – Comfort \/ Performance Street\u003c\/li\u003e\n\u003cli data-start=\"1196\" data-end=\"1230\"\u003e\n\u003cstrong data-start=\"1196\" data-end=\"1220\"\u003e16k Front \/ 10k Rear\u003c\/strong\u003e – Drift\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1232\" data-end=\"1335\"\u003eThese are starting points—not off-the-shelf limitations. Every kit is tuned for your vehicle and goals.\u003c\/p\u003e\n\u003chr data-start=\"1337\" data-end=\"1340\"\u003e\n\u003ch2 data-start=\"1342\" data-end=\"1380\"\u003eBuilt to Order — Tuned for Your Car\u003c\/h2\u003e\n\u003cp data-start=\"1382\" data-end=\"1422\"\u003eTL-ONE coilovers are \u003cstrong data-start=\"1403\" data-end=\"1421\"\u003ebuilt to order\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1424\" data-end=\"1586\"\u003eBefore production, we contact you directly to discuss your build and intended use. We tailor spring rate, valving, shock length, and travel using details such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1590\" data-end=\"1610\"\u003eTire type and size\u003c\/li\u003e\n\u003cli data-start=\"1613\" data-end=\"1634\"\u003eDesired ride height\u003c\/li\u003e\n\u003cli data-start=\"1637\" data-end=\"1653\"\u003eVehicle weight\u003c\/li\u003e\n\u003cli data-start=\"1656\" data-end=\"1680\"\u003eSway bar configuration\u003c\/li\u003e\n\u003cli data-start=\"1683\" data-end=\"1716\"\u003eCorner weights (when available)\u003c\/li\u003e\n\u003cli data-start=\"1719\" data-end=\"1760\"\u003eDriving discipline and experience level\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1762\" data-end=\"1907\"\u003eThe result is a suspension system that provides clear feedback, usable travel, and consistent performance—without relying on excessive stiffness.\u003c\/p\u003e\n\u003chr data-start=\"1909\" data-end=\"1912\"\u003e\n\u003ch2 data-start=\"1914\" data-end=\"1944\"\u003eWhat Makes TL-ONE Different\u003c\/h2\u003e\n\u003cp data-start=\"1946\" data-end=\"2165\"\u003eThe TL-ONE platform focuses on \u003cstrong data-start=\"1977\" data-end=\"2016\"\u003eplatform control and usable damping\u003c\/strong\u003e, not artificial harshness. It’s designed to stay composed under braking, stable through transitions, and predictable as grip and aero load increase.\u003c\/p\u003e\n\u003cp data-start=\"2167\" data-end=\"2241\"\u003eThis is a coilover system meant to evolve with your build—not be replaced.\u003c\/p\u003e\n\u003chr data-start=\"2243\" data-end=\"2246\"\u003e\n\u003ch2 data-start=\"2248\" data-end=\"2280\"\u003e1-Way Adjustable Kit Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"2284\" data-end=\"2325\"\u003ePillowball \/ spherical bearing top hats\u003c\/li\u003e\n\u003cli data-start=\"2328\" data-end=\"2351\"\u003e46mm monotube dampers\u003c\/li\u003e\n\u003cli data-start=\"2354\" data-end=\"2381\"\u003eFixed-length shock bodies\u003c\/li\u003e\n\u003cli data-start=\"2384\" data-end=\"2425\"\u003e\u003cstrong data-start=\"2384\" data-end=\"2423\"\u003e20-click adjustable rebound damping\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2428\" data-end=\"2468\"\u003eCNC-machined top hats and bottom forks\u003c\/li\u003e\n\u003cli data-start=\"2471\" data-end=\"2511\"\u003eElectroplated shock bodies and collars\u003c\/li\u003e\n\u003cli data-start=\"2514\" data-end=\"2601\"\u003eShock body and spring length matched to your desired ride height (to maximize travel)\u003c\/li\u003e\n\u003cli data-start=\"2604\" data-end=\"2620\"\u003eHelper springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2622\" data-end=\"2694\"\u003eAll TL-ONE kits are \u003cstrong data-start=\"2642\" data-end=\"2693\"\u003efully rebuildable, serviceable, and re-valvable\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2696\" data-end=\"2699\"\u003e\n\u003ch2 data-start=\"2701\" data-end=\"2735\"\u003eCustomization \u0026amp; Upgrade Options\u003c\/h2\u003e\n\u003cp data-start=\"2737\" data-end=\"2763\"\u003eAvailable options include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2767\" data-end=\"2795\"\u003eDigressive valving profile\u003c\/li\u003e\n\u003cli data-start=\"2798\" data-end=\"2822\"\u003eLinear valving profile\u003c\/li\u003e\n\u003cli data-start=\"2825\" data-end=\"2869\"\u003eLinear compression with digressive rebound\u003c\/li\u003e\n\u003cli data-start=\"2872\" data-end=\"2887\"\u003eSwift springs\u003c\/li\u003e\n\u003cli data-start=\"2890\" data-end=\"2911\"\u003eCustom spring rates\u003c\/li\u003e\n\u003cli data-start=\"2914\" data-end=\"2937\"\u003eCustom spring lengths\u003c\/li\u003e\n\u003cli data-start=\"2940\" data-end=\"2970\"\u003eCustom helper spring lengths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2972\" data-end=\"3071\"\u003eAll TL-ONE kits are \u003cstrong data-start=\"2992\" data-end=\"3036\"\u003eupgradeable to a 3-way adjustable system\u003c\/strong\u003e with remote reservoirs, featuring:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"3075\" data-end=\"3118\"\u003e34-click low-speed compression adjustment\u003c\/li\u003e\n\u003cli data-start=\"3121\" data-end=\"3165\"\u003e24-click high-speed compression adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3167\" data-end=\"3170\"\u003e\n\u003ch2 data-start=\"3172\" data-end=\"3201\"\u003eProven in Real Competition\u003c\/h2\u003e\n\u003cp data-start=\"3203\" data-end=\"3421\"\u003eTL-ONE coilovers have been validated in real-world use—from weekend-driven cars to record-setting max-effort Time Trial builds. Proper damping, thoughtful setup, and usable travel make a measurable difference on track.\u003c\/p\u003e\n\u003cp data-start=\"3423\" data-end=\"3580\"\u003eIf you’re looking for a \u003cstrong data-start=\"3447\" data-end=\"3477\"\u003e370z \/ g37 coilover system\u003c\/strong\u003e that delivers confidence, consistency, and long-term value, the TL-ONE is engineered for exactly that.\u003c\/p\u003e\n\u003csection class=\"tlone-faq\" id=\"tlone-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"tlone-faq__item\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eWhat does “true rear” coilover mean on a 370z\/g37?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eA true rear coilover places the spring and damper together at the rear wheel, improving motion ratio, rear wheel control, and predictability under load compared to divorced spring setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\" open=\"\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eAre TL-ONE coilovers street drivable?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eYes. Spring rates and valving are selected based on your intended use. Street\/Track and Comfort setups prioritize compliance and control, not harshness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\" open=\"\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eDo I need to know my corner weights before ordering?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eNo. Corner weights are helpful but not required. We can tune the kit using vehicle weight, tire size, ride height, and sway bar configuration. Corner weights can be addressed later during alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\" open=\"\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eAre these off-the-shelf coilovers?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eNo. Every TL-ONE kit is built to order. Shock length, spring length, rates, and valving are tailored to your car and goals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\" open=\"\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eCan I change spring rates later?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eYes. All TL-ONE kits are fully rebuildable and re-valvable, allowing the suspension to evolve as your build changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\" open=\"\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eWhat type of driving are these designed for?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eTL-ONE coilovers are commonly used for SCCA \u0026amp; NASA Time Trials, track days, street-driven performance cars, and drift applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tlone-faq__item\" open=\"\"\u003e\n\u003csummary class=\"tlone-faq__question\"\u003eCan I upgrade later to remote reservoirs?\u003c\/summary\u003e\n\u003cdiv class=\"tlone-faq__answer\"\u003e\n\u003cp\u003eYes. All TL-ONE kits are upgradeable to a 3-way adjustable system with remote reservoirs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (standard) \/ 20k F \/ 8k R (Track\/Race)","offer_id":51592734343467,"sku":null,"price":2320.31,"currency_code":"USD","in_stock":true},{"title":"Faulkner (standard) \/ 16k F \/ 7k R (Street\/Track)","offer_id":51592734376235,"sku":null,"price":2320.31,"currency_code":"USD","in_stock":true},{"title":"Faulkner (standard) \/ 14k F \/ 6k R (Comfort)","offer_id":51592734409003,"sku":null,"price":2320.31,"currency_code":"USD","in_stock":true},{"title":"Faulkner (standard) \/ 16k F \/ 10k R (Drift)","offer_id":51592734441771,"sku":null,"price":2320.31,"currency_code":"USD","in_stock":true},{"title":"Swift \/ 20k F \/ 8k R (Track\/Race)","offer_id":51592734474539,"sku":null,"price":2620.31,"currency_code":"USD","in_stock":true},{"title":"Swift \/ 16k F \/ 7k R (Street\/Track)","offer_id":51592734507307,"sku":null,"price":2620.31,"currency_code":"USD","in_stock":true},{"title":"Swift \/ 14k F \/ 6k R (Comfort)","offer_id":51592734540075,"sku":null,"price":2620.31,"currency_code":"USD","in_stock":true},{"title":"Swift \/ 16k F \/ 10k R (Drift)","offer_id":51592734572843,"sku":null,"price":2620.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/tl_350z_3.jpg?v=1755205262"},{"product_id":"thunder-lane-track-performance-1-way-adjustable-custom-spec-coilover-kit-for-bmw-e46-copy","title":"TL-ONE Single Adjustable BMW E90\/E92\/E93 (2006-2013) (All trims)","description":"\u003cdiv class=\"tl-product\"\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt to order, to your spec.\u003c\/strong\u003e The \u003cstrong\u003eTL-ONE\u003c\/strong\u003e is Thunder Lane US’s track-focused single adjustable coilover system for the \u003cstrong\u003eBMW E90\/E92\/E93\u003c\/strong\u003e. Every set is hand-assembled and bespoke-valved to match your tire, aero, grip level, and goals — whether that’s HPDE, autocross, time attack, or wheel-to-wheel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded with every order:\u003c\/strong\u003e CVP + PVP \u003cstrong\u003edyno graphs\u003c\/strong\u003e, build-to-order spring rate selection, and damping tuned for repeatable performance.\u003c\/p\u003e\n\u003ch3\u003eWhat this kit delivers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfidence and consistency\u003c\/strong\u003e on entry, mid-corner, and power-down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal low-speed control\u003c\/strong\u003e for tire management and predictable balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsable travel\u003c\/strong\u003e at your target ride height (not riding bump stops)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTL-ONE hardware highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e with advanced piston technology and check valves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-click rebound adjustment\u003c\/strong\u003e for fast, meaningful track-side tuning\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndependent ride height and preload adjustment\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for precise response and alignment stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5\" linear springs\u003c\/strong\u003e with customizable spring rates (Swift optional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebuildable \u0026amp; serviceable\u003c\/strong\u003e — individual replacement parts available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec options (we confirm with you)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e BMW 3-Series E90\/E92\/E93 (Non-M) — confirm exact chassis and options during build\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring rates:\u003c\/strong\u003e track-ready defaults or your requested rates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValving profile:\u003c\/strong\u003e linear or digressive (based on your use case)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop mounts:\u003c\/strong\u003e spherical mounts \/ camber plates when applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this kit rebuildable and serviceable?\u003c\/summary\u003e\n\u003cp\u003eYes — all TL dampers are rebuildable and serviceable, with individual replacement parts available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo you include dyno graphs?\u003c\/summary\u003e\n\u003cp\u003eYes. Every order includes CVP + PVP dyno graphs so you can document performance and track changes over time.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan you help choose spring rates and setup?\u003c\/summary\u003e\n\u003cp\u003eAbsolutely. We’ll confirm spring rates, ride height targets, and intended use during the build process.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these suitable for street use?\u003c\/summary\u003e\n\u003cp\u003eThese systems are built with track performance as the priority. Many customers do drive them on the street, but expect a firm, motorsport-oriented ride quality.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eLead time and warranty?\u003c\/summary\u003e\n\u003cp\u003e\u003cstrong\u003eBuild time:\u003c\/strong\u003e built to order. \u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty (non-competition use).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":51687000441131,"sku":"TL-ONE-BMW-E9X-1W-FAU","price":2714.25,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51667462127915,"sku":"TL-ONE-BMW-E9X-1W-SWI","price":3014.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/IMG_9114-768x1024.jpg?v=1766155071"},{"product_id":"thunder-lane-single-adjustable-coilover-kit-for-bmw-f8x-m3-4","title":"TL-ONE Thunder Lane Single Adjustable Coilover Kit for BMW F8X M3\/4","description":"\u003cdiv class=\"tl-product\"\u003e\n\n  \u003cp\u003e\u003cstrong\u003eBuilt to order, to your spec.\u003c\/strong\u003e The \u003cstrong\u003eTL-ONE\u003c\/strong\u003e is Thunder Lane US’s track-focused single adjustable coilover system for the \u003cstrong\u003eBMW F8X M3\/M4\u003c\/strong\u003e. Every set is hand-assembled and bespoke-valved to match your tire, aero, grip level, and goals — whether that’s HPDE, autocross, time attack, or wheel-to-wheel.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eIncluded with every order:\u003c\/strong\u003e CVP + PVP \u003cstrong\u003edyno graphs\u003c\/strong\u003e, build-to-order spring rate selection, and damping tuned for repeatable performance.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat this kit delivers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConfidence and consistency\u003c\/strong\u003e on entry, mid-corner, and power-down\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReal low-speed control\u003c\/strong\u003e for tire management and predictable balance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUsable travel\u003c\/strong\u003e at your target ride height (not riding bump stops)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTL-ONE hardware highlights\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e with advanced piston technology and check valves\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e20-click rebound adjustment\u003c\/strong\u003e for fast, meaningful track-side tuning\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eIndependent ride height and preload adjustment\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term corrosion resistance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for precise response and alignment stability\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e2.5\" linear springs\u003c\/strong\u003e with customizable spring rates (Swift optional)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRebuildable \u0026amp; serviceable\u003c\/strong\u003e — individual replacement parts available\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpec options (we confirm with you)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e BMW M3 (F80) \/ M4 (F82\/F83)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpring rates:\u003c\/strong\u003e track-ready defaults or your requested rates\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValving profile:\u003c\/strong\u003e linear or digressive (based on your use case)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop mounts:\u003c\/strong\u003e spherical mounts \/ camber plates when applicable\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFAQ\u003c\/h3\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this kit rebuildable and serviceable?\u003c\/summary\u003e\n    \u003cp\u003eYes — all TL dampers are rebuildable and serviceable, with individual replacement parts available.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo you include dyno graphs?\u003c\/summary\u003e\n    \u003cp\u003eYes. Every order includes CVP + PVP dyno graphs so you can document performance and track changes over time.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan you help choose spring rates and setup?\u003c\/summary\u003e\n    \u003cp\u003eAbsolutely. We’ll confirm spring rates, ride height targets, and intended use during the build process.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre these suitable for street use?\u003c\/summary\u003e\n    \u003cp\u003eThese systems are built with track performance as the priority. Many customers do drive them on the street, but expect a firm, motorsport-oriented ride quality.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eLead time and warranty?\u003c\/summary\u003e\n    \u003cp\u003e\u003cstrong\u003eBuild time:\u003c\/strong\u003e built to order. \u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty (non-competition use).\u003c\/p\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":51687002603819,"sku":"TL-ONE-BMW-F8X-1W-FAU","price":2714.25,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51667535462699,"sku":"TL-ONE-BMW-F8X-1W-SWI","price":3014.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/IMG_9114-768x1024.jpg?v=1766155071"},{"product_id":"thunder-lane-single-adjustable-coilover-kit-for-bmw-g8x-m2-m3-m4","title":"TL-ONE Thunder Lane Single Adjustable Coilover Kit for BMW G8X M2\/M3\/M4","description":"\u003cdiv class=\"tl-product\"\u003e\n\n  \u003cp\u003e\u003cstrong\u003eBuilt to order, to your spec.\u003c\/strong\u003e The \u003cstrong\u003eTL-ONE\u003c\/strong\u003e is Thunder Lane US’s track-focused single adjustable coilover system for the \u003cstrong\u003eBMW G8X M2\/M3\/M4\u003c\/strong\u003e. Every set is hand-assembled and bespoke-valved to match your tire, aero, grip level, and goals — whether that’s HPDE, autocross, time attack, or wheel-to-wheel.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eIncluded with every order:\u003c\/strong\u003e CVP + PVP \u003cstrong\u003edyno graphs\u003c\/strong\u003e, build-to-order spring rate selection, and damping tuned for repeatable performance.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat this kit delivers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConfidence and consistency\u003c\/strong\u003e on entry, mid-corner, and power-down\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReal low-speed control\u003c\/strong\u003e for tire management and predictable balance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUsable travel\u003c\/strong\u003e at your target ride height (not riding bump stops)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTL-ONE hardware highlights\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e with advanced piston technology and check valves\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e20-click rebound adjustment\u003c\/strong\u003e for fast, meaningful track-side tuning\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eIndependent ride height and preload adjustment\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term corrosion resistance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for precise response and alignment stability\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e2.5\" linear springs\u003c\/strong\u003e with customizable spring rates (Swift optional)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRebuildable \u0026amp; serviceable\u003c\/strong\u003e — individual replacement parts available\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpec options (we confirm with you)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e BMW M2 (G87) \/ M3 (G80\/G81) \/ M4 (G82\/G83)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpring rates:\u003c\/strong\u003e track-ready defaults or your requested rates\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValving profile:\u003c\/strong\u003e linear or digressive (based on your use case)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop mounts:\u003c\/strong\u003e spherical mounts \/ camber plates when applicable\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFAQ\u003c\/h3\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this kit rebuildable and serviceable?\u003c\/summary\u003e\n    \u003cp\u003eYes — all TL dampers are rebuildable and serviceable, with individual replacement parts available.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo you include dyno graphs?\u003c\/summary\u003e\n    \u003cp\u003eYes. Every order includes CVP + PVP dyno graphs so you can document performance and track changes over time.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan you help choose spring rates and setup?\u003c\/summary\u003e\n    \u003cp\u003eAbsolutely. We’ll confirm spring rates, ride height targets, and intended use during the build process.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre these suitable for street use?\u003c\/summary\u003e\n    \u003cp\u003eThese systems are built with track performance as the priority. Many customers do drive them on the street, but expect a firm, motorsport-oriented ride quality.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eLead time and warranty?\u003c\/summary\u003e\n    \u003cp\u003e\u003cstrong\u003eBuild time:\u003c\/strong\u003e built to order. \u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty (non-competition use).\u003c\/p\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":51687002636587,"sku":"TL-ONE-BMW-G8X-1W-FAU","price":2714.25,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51667536249131,"sku":"TL-ONE-BMW-G8X-1W-SWI","price":3014.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/g87-scaled-e1758194164450-768x1024.jpg?v=1766161052"},{"product_id":"tl-one-thunder-lane-track-performance-1-way-adjustable-custom-spec-coilover-kit-for-bmw-e46-m3","title":"TL-ONE Single Adjustable BMW E46 M3 (Inverted Front)","description":"\u003cdiv class=\"tl-product\"\u003e\n\n  \u003cp\u003e\u003cstrong\u003eBuilt to order, to your spec.\u003c\/strong\u003e The \u003cstrong\u003eTL-ONE\u003c\/strong\u003e is Thunder Lane US’s track-focused single adjustable coilover system for the \u003cstrong\u003eBMW E46 M3\u003c\/strong\u003e. Every set is hand-assembled and bespoke-valved to match your tire, aero, grip level, and goals — whether that’s HPDE, autocross, time attack, or wheel-to-wheel.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eIncluded with every order:\u003c\/strong\u003e CVP + PVP \u003cstrong\u003edyno graphs\u003c\/strong\u003e, build-to-order spring rate selection, and damping tuned for repeatable performance.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat this kit delivers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConfidence and consistency\u003c\/strong\u003e on entry, mid-corner, and power-down\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReal low-speed control\u003c\/strong\u003e for tire management and predictable balance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUsable travel\u003c\/strong\u003e at your target ride height (not riding bump stops)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTL-ONE hardware highlights\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e with advanced piston technology and check valves\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e20-click rebound adjustment\u003c\/strong\u003e for fast, meaningful track-side tuning\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eIndependent ride height and preload adjustment\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term corrosion resistance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for precise response and alignment stability \u003cstrong\u003eInverted front struts for added rigidity and track durability.\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e2.5\" linear springs\u003c\/strong\u003e with customizable spring rates (Swift optional)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRebuildable \u0026amp; serviceable\u003c\/strong\u003e — individual replacement parts available\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpec options (we confirm with you)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e BMW M3 E46\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpring rates:\u003c\/strong\u003e track-ready defaults or your requested rates\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValving profile:\u003c\/strong\u003e linear or digressive (based on your use case)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop mounts:\u003c\/strong\u003e spherical mounts \/ camber plates when applicable\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFAQ\u003c\/h3\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this kit rebuildable and serviceable?\u003c\/summary\u003e\n    \u003cp\u003eYes — all TL dampers are rebuildable and serviceable, with individual replacement parts available.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo you include dyno graphs?\u003c\/summary\u003e\n    \u003cp\u003eYes. Every order includes CVP + PVP dyno graphs so you can document performance and track changes over time.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan you help choose spring rates and setup?\u003c\/summary\u003e\n    \u003cp\u003eAbsolutely. We’ll confirm spring rates, ride height targets, and intended use during the build process.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre these suitable for street use?\u003c\/summary\u003e\n    \u003cp\u003eThese systems are built with track performance as the priority. Many customers do drive them on the street, but expect a firm, motorsport-oriented ride quality.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eLead time and warranty?\u003c\/summary\u003e\n    \u003cp\u003e\u003cstrong\u003eBuild time:\u003c\/strong\u003e built to order. \u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty (non-competition use).\u003c\/p\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":51687002669355,"sku":"TL-ONE-BMW-E46M3-1W-INVF-FAU","price":2620.13,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51667564724523,"sku":"TL-ONE-BMW-E46M3-1W-INVF-SWI","price":2920.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/tl_e46_350z.jpg?v=1755205491"},{"product_id":"tl-one-thunder-lane-track-performance-single-adjustable-coilover-for-c5-c6-chevrolet-corvette","title":"TL-ONE Thunder Lane Track Performance Single Adjustable Coilover for C5 \u0026 C6 Chevrolet Corvette","description":"\u003c!-- =========================\nTL-ONE PRODUCT DESCRIPTION\n========================= --\u003e\n\u003csection class=\"tlone-product-description\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eTL-ONE coilover system for the Chevrolet Corvette C5 and C6\u003c\/strong\u003e is designed for drivers who want real performance gains without compromise. Built around maximizing usable suspension travel and delivering predictable damping control, TL-ONE is ideal for high-performance street driving, track days, autocross, and Time Trial use.\u003c\/p\u003e\n\u003cp\u003eUnlike generic off-the-shelf Corvette coilovers, TL-ONE is \u003cstrong\u003ebuilt to order\u003c\/strong\u003e and tuned specifically to your car. Spring rates, damper valving, shock length, and travel are selected based on how the car is actually used—resulting in better grip, improved compliance, and confidence at the limit.\u003c\/p\u003e\n\u003ch2\u003eBuilt to Order — Tuned to Your Corvette\u003c\/h2\u003e\n\u003cp\u003eEvery TL-ONE kit is built from the ground up for your specific C5 or C6. Before production begins, we contact you directly to discuss your goals and vehicle configuration. Setup decisions are informed by:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTire type and size\u003c\/li\u003e\n\u003cli\u003eTotal vehicle weight\u003c\/li\u003e\n\u003cli\u003eDesired ride height\u003c\/li\u003e\n\u003cli\u003eSway bar configuration\u003c\/li\u003e\n\u003cli\u003eCorner weights (when available)\u003c\/li\u003e\n\u003cli\u003eDriving discipline (street, autocross, track days, Time Trials)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis approach allows us to preserve suspension travel—even at lowered ride heights—while delivering a damping profile that supports the chassis without unnecessary stiffness.\u003c\/p\u003e\n\u003ch2\u003eDamping Philosophy \u0026amp; Check Valve Design\u003c\/h2\u003e\n\u003cp\u003eTL-ONE uses a carefully tuned internal piston, shim stack, and \u003cstrong\u003echeck valve system\u003c\/strong\u003e to control how damping forces are distributed between compression and rebound. The check valve allows low-speed damping behavior to be tailored without compromising high-speed compliance, improving grip, stability, and ride quality over bumps, curbing, and surface irregularities.\u003c\/p\u003e\n\u003cp\u003eThis design is a key reason TL-ONE can deliver strong platform control without the harshness commonly associated with stiffer Corvette setups. \u003ca rel=\"noopener\" href=\"https:\/\/thunderlane.us\/blogs\/tech-tips\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\" target=\"_blank\"\u003e Learn more about how the check valve works and why it matters. \u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e1-Way Adjustable Damping\u003c\/h2\u003e\n\u003cp\u003eTL-ONE kits are offered with \u003cstrong\u003e20-click adjustable damping\u003c\/strong\u003e, configured as either:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebound adjustment\u003c\/strong\u003e – controlling how the suspension returns after compression\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSymmetrical rebound\/compression adjustment\u003c\/strong\u003e – depending on application and build goals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis adjustment range allows meaningful tuning changes for tire grip, balance, and surface conditions, without overcomplicating setup.\u003c\/p\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e46mm monotube dampers\u003c\/li\u003e\n\u003cli\u003eFixed-length shock bodies (no sleeves or excess dead space)\u003c\/li\u003e\n\u003cli\u003e20-click adjustable damping\u003c\/li\u003e\n\u003cli\u003eCNC-machined top hats and mounts\u003c\/li\u003e\n\u003cli\u003ePillowball \/ spherical bearing top hats\u003c\/li\u003e\n\u003cli\u003eElectroplated shock bodies and collars\u003c\/li\u003e\n\u003cli\u003eHelper springs\u003c\/li\u003e\n\u003cli\u003eCustom spring rates selected for your setup\u003c\/li\u003e\n\u003cli\u003eShock body and spring length matched to desired ride height\u003c\/li\u003e\n\u003cli\u003eApplication-specific valving with integrated check valve system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll TL-ONE kits are \u003cstrong\u003efully rebuildable, serviceable, and re-valvable\u003c\/strong\u003e, allowing the suspension to evolve as tires, alignment, or vehicle use change over time.\u003c\/p\u003e\n\u003ch2\u003eUpgradeable as Your Build Progresses\u003c\/h2\u003e\n\u003cp\u003eTL-ONE is designed as a foundation. As your Corvette build becomes more aggressive, the system can be upgraded to \u003cstrong\u003eremote reservoir 3-way adjustable damping\u003c\/strong\u003e, adding independent low-speed and high-speed compression control for advanced tuning and thermal capacity.\u003c\/p\u003e\n\u003ch2\u003eDesigned for Performance Driving\u003c\/h2\u003e\n\u003cp\u003eTL-ONE for Corvette C5 and C6 is ideal for drivers who prioritize grip, consistency, and usable travel over unnecessarily stiff setups. Whether the car is street-driven, track-focused, or used in competitive events, TL-ONE delivers clear feedback and predictable behavior lap after lap.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- =========================\nFAQ SECTION\n========================= --\u003e\n\u003csection id=\"tlone-faq\" class=\"tlone-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the TL-ONE coilover system for Corvette C5 \u0026amp; C6?\u003c\/summary\u003e\n\u003cp\u003eTL-ONE is Thunder Lane’s built-to-order coilover system for Chevrolet Corvette C5 and C6 chassis, designed to deliver usable suspension travel, predictable damping control, and consistent performance for street, autocross, and track use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat years of Corvette does this kit fit?\u003c\/summary\u003e\n\u003cp\u003eTL-ONE is designed for the \u003cstrong\u003eCorvette C5 (1997–2004)\u003c\/strong\u003e and \u003cstrong\u003eCorvette C6 (2005–2013)\u003c\/strong\u003e. Final configuration is confirmed during the build-to-order process.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does “built to order” mean?\u003c\/summary\u003e\n\u003cp\u003eBefore anything is assembled, we contact you to confirm your goals and vehicle configuration. Spring rates, valving, shock length, and travel are selected based on factors like tire size, vehicle weight, ride height, sway bars, and intended use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does 20-click adjustable damping adjust?\u003c\/summary\u003e\n\u003cp\u003eDepending on configuration, TL-ONE offers either \u003cstrong\u003e20-click adjustable rebound\u003c\/strong\u003e or \u003cstrong\u003e20-click adjustable symmetrical rebound\/compression\u003c\/strong\u003e. The intent is to provide meaningful tuning range for grip, balance, and surface conditions without complexity.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the check valve and why does it matter?\u003c\/summary\u003e\n\u003cp\u003eThe check valve is part of the internal damper design that helps manage how damping forces are distributed between compression and rebound. It allows low-speed damping behavior to be tuned without sacrificing high-speed compliance, helping the car maintain grip and stability over bumps and curbing. \u003ca rel=\"noopener\" href=\"https:\/\/thunderlane.us\/blogs\/tech-tips\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\" target=\"_blank\"\u003e Read the full tech tip here. \u003c\/a\u003e\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre TL-ONE coilovers rebuildable and serviceable?\u003c\/summary\u003e\n\u003cp\u003eYes. TL-ONE kits are \u003cstrong\u003efully rebuildable, serviceable, and re-valvable\u003c\/strong\u003e, allowing the suspension to evolve as your setup changes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan TL-ONE be upgraded to remote reservoirs or 3-way adjustment?\u003c\/summary\u003e\n\u003cp\u003eYes. TL-ONE can be upgraded to a \u003cstrong\u003eremote reservoir 3-way adjustable\u003c\/strong\u003e configuration, adding independent low-speed and high-speed compression adjustment for advanced tuning and improved thermal capacity.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need corner weights to order?\u003c\/summary\u003e\n\u003cp\u003eNo. Corner weights are helpful but not required. We can build the kit using vehicle weight, tire size, ride height, sway bar configuration, and intended use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the TL-ONE coilover system for Corvette C5 \u0026 C6?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"TL-ONE is Thunder Lane’s built-to-order coilover system for Chevrolet Corvette C5 and C6 chassis, designed to deliver usable suspension travel, predictable damping control, and consistent performance for street, autocross, and track use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What years of Corvette does this kit fit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"TL-ONE is designed for the Corvette C5 (1997–2004) and Corvette C6 (2005–2013). Final configuration is confirmed during the build-to-order process.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does built to order mean?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Before anything is assembled, we contact you to confirm goals and vehicle configuration. Spring rates, valving, shock length, and travel are selected based on tire size, vehicle weight, ride height, sway bars, and intended use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does 20-click adjustable damping adjust?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Depending on configuration, TL-ONE offers either 20-click adjustable rebound or 20-click adjustable symmetrical rebound\/compression, providing a meaningful tuning range for grip, balance, and surface conditions.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the check valve and why does it matter?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The check valve is part of the internal damper design that helps manage how damping forces are distributed between compression and rebound. It allows low-speed damping behavior to be tuned without sacrificing high-speed compliance, improving grip and stability over bumps and curbing. Learn more: https:\/\/thunderlane.us\/blogs\/tech-tips\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are TL-ONE coilovers rebuildable and serviceable?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. TL-ONE kits are fully rebuildable, serviceable, and re-valvable, allowing the suspension to evolve as your setup changes.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can TL-ONE be upgraded to remote reservoirs or 3-way adjustment?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. TL-ONE can be upgraded to a remote reservoir 3-way adjustable configuration with independent low-speed and high-speed compression adjustment for advanced tuning and improved thermal capacity.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need corner weights to order?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Corner weights are helpful but not required. We can build the kit using vehicle weight, tire size, ride height, sway bar configuration, and intended use.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Thunder Lane","offers":[{"title":"Standard (Faulkner)","offer_id":51672598642987,"sku":null,"price":2130.75,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51672598675755,"sku":null,"price":2430.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/IMG_8393-1229x1536.jpg?v=1766416829"},{"product_id":"tl-one-thunder-lane-track-performance-single-adjustable-coilover-for-c5-c6-chevrolet-corvette-copy","title":"TL-ONE Thunder Lane Single Adjustable Coilover w\/ Remote Reservoir for C5 \u0026 C6 Chevrolet Corvette","description":"\u003csection class=\"tlone-product-description\"\u003e\n\u003ch1\u003eTL-ONE Remote Reservoir Coilovers for Chevrolet Corvette C5 \u0026amp; C6\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eTL-ONE Remote Reservoir coilover system for the Chevrolet Corvette C5 and C6\u003c\/strong\u003e is built for drivers who want a lower ride height \u003cem\u003ewithout throwing away bump travel\u003c\/em\u003e. This kit uses external nitrogen reservoirs to increase usable stroke and maintain composure over real-world roads, curbing, and track surface irregularities.\u003c\/p\u003e\n\u003cp\u003eThis specific configuration was developed around a common Corvette requirement: \u003cstrong\u003eset the ride height low\u003c\/strong\u003e while keeping the suspension working in its sweet spot. By pairing a travel-focused damper configuration with \u003cstrong\u003eremote reservoirs\u003c\/strong\u003e, we can preserve bump travel where many lowered setups run out of room.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstagram video (product review):\u003c\/strong\u003e \u003ca href=\"https:\/\/www.instagram.com\/thunderlane.eu\/reel\/DOwJhC5DT1H\/\" rel=\"noopener\" target=\"_blank\"\u003e Watch the Corvette C5\/C6 Remote Reservoir kit in action \u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eBuilt to Order — Tuned to Your Corvette\u003c\/h2\u003e\n\u003cp\u003eEvery TL-ONE Remote Reservoir kit is \u003cstrong\u003ebuilt to order\u003c\/strong\u003e. Before production begins, we contact you directly to confirm your goals and vehicle configuration. Spring rates, valving, shock length, and travel are selected using factors such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTire type and size\u003c\/li\u003e\n\u003cli\u003eTotal vehicle weight\u003c\/li\u003e\n\u003cli\u003eDesired ride height (including significant lowering targets)\u003c\/li\u003e\n\u003cli\u003eSway bar configuration\u003c\/li\u003e\n\u003cli\u003eCorner weights (when available)\u003c\/li\u003e\n\u003cli\u003eDriving discipline (street, autocross, track days, Time Trials)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is a Corvette suspension system that delivers usable travel, clear feedback, and consistency—without relying on excessive stiffness.\u003c\/p\u003e\n\u003ch2\u003eRemote Reservoir Advantage (More Travel at Lower Ride Height)\u003c\/h2\u003e\n\u003cp\u003eThe external nitrogen reservoirs increase oil volume and help manage heat while enabling a damper configuration that supports \u003cstrong\u003emore bump stroke\u003c\/strong\u003e at a \u003cstrong\u003elower ride height\u003c\/strong\u003e. This is especially valuable on Corvettes where aggressive lowering can quickly reduce available travel.\u003c\/p\u003e\n\u003ch2\u003eTrue Coilover Conversion (Leaf Spring Delete)\u003c\/h2\u003e\n\u003cp\u003eThis Corvette setup replaces the rear transverse leaf spring with \u003cstrong\u003ecoil springs\u003c\/strong\u003e, converting the rear to a \u003cstrong\u003etrue coilover\u003c\/strong\u003e configuration. The goal is improved wheel control, better tuning flexibility, and a more predictable platform under braking, roll, and acceleration.\u003c\/p\u003e\n\u003ch2\u003eDamping Philosophy \u0026amp; Check Valve Design\u003c\/h2\u003e\n\u003cp\u003eTL-ONE uses a carefully tuned internal piston, shim stack, and \u003cstrong\u003echeck valve system\u003c\/strong\u003e to control how damping forces are distributed between compression and rebound. The check valve allows low-speed damping behavior to be tailored without compromising high-speed compliance, improving grip, stability, and ride quality over bumps, curbing, and surface irregularities.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/thunderlane.us\/blogs\/tech-tips\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\" rel=\"noopener\" target=\"_blank\"\u003e Tech Tip: What a check valve does in a performance damper (and why it matters) \u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e1-Way Adjustable Damping\u003c\/h2\u003e\n\u003cp\u003eThis kit features \u003cstrong\u003e20-click rebound damping adjustment\u003c\/strong\u003e, giving you practical, repeatable tuning changes for grip, balance, and surface conditions without overcomplicating setup.\u003c\/p\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal nitrogen remote reservoirs\u003c\/strong\u003e (travel + thermal capacity)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInverted front shocks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInverted rear shocks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e46mm monotube dampers\u003c\/li\u003e\n\u003cli\u003eFixed-length shock bodies (no sleeves or excess dead space)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20-click rebound damping adjustment\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDual height adjustable\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePillowball \/ spherical bearing upper mounts (rubber mount option may be available depending on configuration)\u003c\/li\u003e\n\u003cli\u003eLinear \/ digressive valving options\u003c\/li\u003e\n\u003cli\u003eModular design\u003c\/li\u003e\n\u003cli\u003eHelper springs (as specified for your build)\u003c\/li\u003e\n\u003cli\u003eCustom spring rates and lengths matched to desired ride height and travel targets\u003c\/li\u003e\n\u003cli\u003eApplication-specific valving with integrated check valve system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll TL-ONE kits are \u003cstrong\u003efully rebuildable, serviceable, and re-valvable\u003c\/strong\u003e, allowing the suspension to evolve as tires, alignment, aero, and vehicle use change over time.\u003c\/p\u003e\n\u003ch2\u003eDesigned for Street and Track\u003c\/h2\u003e\n\u003cp\u003eTL-ONE Remote Reservoir for Corvette C5 and C6 is ideal for drivers who want a lowered stance without sacrificing suspension function. It delivers grip, compliance, and control that remains consistent session after session.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- =========================\nFAQ SECTION\n========================= --\u003e\n\u003csection class=\"tlone-faq\" id=\"tlone-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the TL-ONE Remote Reservoir system for Corvette C5 \u0026amp; C6?\u003c\/summary\u003e\n\u003cp\u003eTL-ONE Remote Reservoir is Thunder Lane’s built-to-order coilover kit for Corvette C5 and C6, designed to preserve bump travel at lower ride heights using external nitrogen reservoirs and application-specific valving.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat years of Corvette does this kit fit?\u003c\/summary\u003e\n\u003cp\u003eThis kit is designed for \u003cstrong\u003eCorvette C5 (1997–2004)\u003c\/strong\u003e and \u003cstrong\u003eCorvette C6 (2005–2013)\u003c\/strong\u003e. Final configuration is confirmed during the build-to-order process.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy add remote reservoirs?\u003c\/summary\u003e\n\u003cp\u003eRemote reservoirs increase oil volume and help manage heat while enabling damper configurations that preserve bump stroke at low ride heights. This improves compliance, grip, and consistency on street and track.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does “inverted shocks” mean, and why does it matter?\u003c\/summary\u003e\n\u003cp\u003eInverted dampers place the larger body section higher, increasing rigidity and improving durability under load. This is especially useful for performance driving where the suspension sees higher lateral and braking forces.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this kit convert the rear leaf spring setup to true coilovers?\u003c\/summary\u003e\n\u003cp\u003eYes. This configuration replaces the rear transverse leaf spring with coil springs, creating a true coilover rear setup for improved wheel control and tuning flexibility.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does the 20-click adjustment control?\u003c\/summary\u003e\n\u003cp\u003eThis kit features \u003cstrong\u003e20-click rebound damping adjustment\u003c\/strong\u003e, allowing you to fine-tune balance, grip, and response without adding complexity.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the check valve and why does it matter?\u003c\/summary\u003e\n\u003cp\u003eThe check valve is part of the internal damper design that helps manage how damping forces are distributed between compression and rebound. It allows low-speed damping behavior to be tailored without sacrificing high-speed compliance, improving grip and stability over bumps and curbing. \u003ca href=\"https:\/\/thunderlane.us\/blogs\/tech-tips\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\" rel=\"noopener\" target=\"_blank\"\u003e Read the full tech tip here. \u003c\/a\u003e\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre TL-ONE coilovers rebuildable and serviceable?\u003c\/summary\u003e\n\u003cp\u003eYes. TL-ONE kits are \u003cstrong\u003efully rebuildable, serviceable, and re-valvable\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I choose spring rates and valving style?\u003c\/summary\u003e\n\u003cp\u003eYes. Spring rates and valving (linear or digressive) are selected during the build-to-order process using your vehicle weight, tire size, ride height target, and intended use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Thunder Lane","offers":[{"title":"Standard (Faulkner)","offer_id":51672599593259,"sku":null,"price":2272.67,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51672599626027,"sku":null,"price":2572.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/CORVETE_C5_AND_C6_ZE_ZBIORNIKAMI-1152x1536.jpg?v=1766417325"},{"product_id":"tl-one-thunder-lane-single-adjustable-coilover-kit-for-toyota-supra-a90","title":"TL-ONE Thunder Lane Single Adjustable Coilover Kit for Toyota Supra A90","description":"\u003c!-- =========================\nTL-ONE PRODUCT DESCRIPTION\n========================= --\u003e\n\n\u003csection class=\"tlone-product-description\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eTL-ONE coilover system for the Toyota GR Supra A90\u003c\/strong\u003e is designed for drivers who want a suspension\n    that performs equally well on the street and the track. Built around predictable damping behavior and usable\n    suspension travel, TL-ONE delivers confidence, compliance, and consistency without unnecessary complexity.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    TL-ONE is \u003cstrong\u003ebuilt to order\u003c\/strong\u003e and configured specifically for the A90 chassis, using proven spring\n    rates, inverted damper architecture, and application-specific valving to support modern tire grip and chassis\n    dynamics.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eDesigned for Street and Track\u003c\/h2\u003e\n  \u003cp\u003e\n    This system is engineered to balance ride quality, control, and performance. Whether driven daily, used for\n    weekend canyon runs, or pushed on track, TL-ONE maintains stability and composure without relying on excessive\n    stiffness.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eInverted Monotube Damper Design\u003c\/h2\u003e\n  \u003cp\u003e\n    TL-ONE for the Supra A90 features \u003cstrong\u003einverted front struts\u003c\/strong\u003e and \u003cstrong\u003einverted rear shocks\u003c\/strong\u003e.\n    This design increases rigidity under load, improves durability, and delivers more consistent damping behavior\n    during aggressive driving.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eDamping Philosophy \u0026amp; Check Valve Design\u003c\/h2\u003e\n  \u003cp\u003e\n    TL dampers utilize an internal \u003cstrong\u003echeck valve system\u003c\/strong\u003e that helps manage how damping forces are\n    distributed between compression and rebound. This allows strong low-speed control for chassis stability while\n    maintaining compliance over bumps and surface irregularities.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/thunderlane.us\/blogs\/tech-tips\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\" target=\"_blank\" rel=\"noopener\"\u003e\n      Learn more about how the check valve works and why it matters.\n    \u003c\/a\u003e\n  \u003c\/p\u003e\n\n  \u003ch2\u003e1-Way Adjustable Damping\u003c\/h2\u003e\n  \u003cp\u003e\n    TL-ONE features \u003cstrong\u003e20-click rebound damping adjustment\u003c\/strong\u003e, providing meaningful tuning changes for\n    balance, grip, and response without overcomplicating setup.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRebuildable monotube shocks\u003c\/li\u003e\n    \u003cli\u003eInverted front struts\u003c\/li\u003e\n    \u003cli\u003eInverted rear shocks\u003c\/li\u003e\n    \u003cli\u003eModular damper design\u003c\/li\u003e\n    \u003cli\u003e20x rebound damping adjustment\u003c\/li\u003e\n    \u003cli\u003eDual height adjustment (independent travel and ride height adjustment)\u003c\/li\u003e\n    \u003cli\u003eCamber \/ pillowball upper mounts\u003c\/li\u003e\n    \u003cli\u003eLinear or digressive valving options\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eFront 8 kg \/ Rear 16 kg linear rate springs\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eElectroplated shock bodies\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    All TL-ONE kits are \u003cstrong\u003efully rebuildable and serviceable\u003c\/strong\u003e, allowing the suspension to evolve as tires,\n    alignment, or vehicle use change.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- =========================\nFAQ SECTION\n========================= --\u003e\n\n\u003csection class=\"tlone-faq\" id=\"tlone-faq\"\u003e\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the TL-ONE coilover system for Supra A90?\u003c\/summary\u003e\n    \u003cp\u003e\n      TL-ONE is Thunder Lane’s street and track focused coilover system for the Toyota GR Supra A90, featuring inverted\n      monotube dampers, fixed spring rates, and 20-click rebound adjustment.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat spring rates are included?\u003c\/summary\u003e\n    \u003cp\u003e\n      TL-ONE for the Supra A90 includes \u003cstrong\u003e8 kg front and 16 kg rear linear springs\u003c\/strong\u003e, selected to balance\n      ride quality, grip, and chassis control.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does the 20-click adjustment control?\u003c\/summary\u003e\n    \u003cp\u003e\n      The adjuster controls rebound damping, allowing you to tune balance, response, and grip for street or track use.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the check valve and why does it matter?\u003c\/summary\u003e\n    \u003cp\u003e\n      The check valve helps manage how damping forces are distributed between compression and rebound, improving\n      low-speed stability while maintaining compliance.\n      \u003ca href=\"https:\/\/thunderlane.us\/blogs\/tech-tips\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\" target=\"_blank\" rel=\"noopener\"\u003e\n        Read the full tech article here.\n      \u003c\/a\u003e\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAre the shocks rebuildable?\u003c\/summary\u003e\n    \u003cp\u003e\n      Yes. TL-ONE dampers are fully rebuildable and serviceable.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this kit suitable for daily driving?\u003c\/summary\u003e\n    \u003cp\u003e\n      Yes. TL-ONE is designed to perform well on the street while offering the control and consistency needed for\n      track use.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the TL-ONE coilover system for Supra A90?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"TL-ONE is Thunder Lane’s street and track focused coilover system for the Toyota GR Supra A90, featuring inverted monotube dampers and 20-click rebound adjustment.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What spring rates are included?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The TL-ONE Supra A90 kit includes 8 kg front and 16 kg rear linear rate springs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does the 20-click adjustment control?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 20-click adjustment controls rebound damping, allowing tuning of balance, grip, and response.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the check valve and why does it matter?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The check valve manages how damping forces are distributed between compression and rebound, improving stability while maintaining compliance. Learn more: https:\/\/thunderlane.us\/blogs\/tech-tips\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are the shocks rebuildable?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. TL-ONE shocks are fully rebuildable and serviceable.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this kit suitable for daily driving?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. TL-ONE is designed for both daily street use and track driving.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":51672649761067,"sku":null,"price":2617.31,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51672649793835,"sku":null,"price":2917.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/IMG_8659-1152x1536.jpg?v=1766421116"},{"product_id":"tl-one-grip-kit-for-toyota-gr86-gt86-subaru-brz","title":"TL-ONE Grip Kit for Toyota GR86 \/ GT86 \/ Subaru BRZ","description":"\u003csection class=\"tlone-product-description\"\u003e\n  \u003ch1\u003eTL-ONE Grip Kit for Toyota GR86 \/ GT86 \/ Subaru BRZ\u003c\/h1\u003e\n\n  \u003cp\u003e\n    The \u003cstrong\u003eTL-ONE Grip Kit for the Toyota GR86, GT86, and Subaru BRZ\u003c\/strong\u003e is a complete suspension solution\n    designed to maximize mechanical grip, balance, and consistency. Built around Thunder Lane’s TL-ONE coilover system\n    and paired with adjustable sway bars, this kit addresses the full chassis—not just spring and damper control.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Rather than relying on excessive spring rate to achieve performance, the Grip Kit focuses on \u003cstrong\u003eusable\n    suspension travel\u003c\/strong\u003e, controlled roll stiffness, and predictable damping behavior. The result is a car that\n    generates grip earlier, maintains balance mid-corner, and remains composed over surface changes.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eFits All GT86 \/ GR86 \/ BRZ Generations\u003c\/h2\u003e\n  \u003cp\u003e\n    This kit is designed to fit all variants of the shared Toyota \/ Subaru chassis, including:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eToyota GT86 (ZN6)\u003c\/li\u003e\n    \u003cli\u003eToyota GR86 (ZN8)\u003c\/li\u003e\n    \u003cli\u003eSubaru BRZ (ZC6 \u0026amp; ZD8)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    These platforms share suspension architecture, allowing the TL-ONE Grip Kit to be tuned appropriately for each\n    generation while maintaining consistent performance philosophy.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eBuilt to Order — Tuned to Your Car\u003c\/h2\u003e\n  \u003cp\u003e\n    Every TL-ONE Grip Kit is \u003cstrong\u003ebuilt to order\u003c\/strong\u003e. Before anything is assembled, we contact you directly to\n    discuss your goals and vehicle configuration. Spring rates, valving profile, and sway bar setup are selected using\n    real-world factors such as:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eTire type and size\u003c\/li\u003e\n    \u003cli\u003eTotal vehicle weight\u003c\/li\u003e\n    \u003cli\u003eDesired ride height\u003c\/li\u003e\n    \u003cli\u003eStreet vs track usage\u003c\/li\u003e\n    \u003cli\u003eAlignment and corner balance goals\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    This ensures the suspension works as a system, rather than a collection of mismatched parts.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eDamping Philosophy \u0026amp; Check Valve Design\u003c\/h2\u003e\n  \u003cp\u003e\n    TL-ONE dampers utilize an internal \u003cstrong\u003echeck valve system\u003c\/strong\u003e that helps manage how damping forces are\n    distributed between compression and rebound. This allows the suspension to provide strong low-speed control for\n    chassis stability while maintaining compliance over bumps and surface irregularities.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/thunderlane.us\/blogs\/tech-tips\/tech-tip-what-a-check-valve-does-in-a-performance-damper-and-why-it-matters\" target=\"_blank\" rel=\"noopener\"\u003e\n      Learn more about how the check valve works and why it matters.\n    \u003c\/a\u003e\n  \u003c\/p\u003e\n\n  \u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eTL-ONE monotube coilovers (front and rear)\u003c\/li\u003e\n    \u003cli\u003e20-click adjustable damping (application-specific)\u003c\/li\u003e\n    \u003cli\u003eApplication-specific spring rates\u003c\/li\u003e\n    \u003cli\u003eFixed-length shock bodies to preserve travel\u003c\/li\u003e\n    \u003cli\u003ePillowball \/ spherical bearing upper mounts\u003c\/li\u003e\n    \u003cli\u003eHelper springs (as specified)\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eFront and rear adjustable sway bars\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eAdjustable sway bar end links\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eElectroplated shock bodies and collars\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    All components are designed to work together to control roll, manage load transfer, and maximize tire contact\n    without unnecessary stiffness.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The TL-ONE Grip Kit is \u003cstrong\u003efully rebuildable, serviceable, and re-valvable\u003c\/strong\u003e, allowing the system to\n    evolve as tires, alignment, or driving focus change.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eDesigned for Grip-Focused Driving\u003c\/h2\u003e\n  \u003cp\u003e\n    This kit is ideal for drivers who prioritize mechanical grip and balance over raw stiffness. Whether used for\n    street driving, autocross, or track days, the TL-ONE Grip Kit delivers confidence, predictability, and consistent\n    feedback lap after lap.\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- =========================\nFAQ SECTION\n========================= --\u003e\n\n\u003csection class=\"tlone-faq\" id=\"tlone-faq\"\u003e\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the TL-ONE Grip Kit?\u003c\/summary\u003e\n    \u003cp\u003e\n      The TL-ONE Grip Kit is a complete suspension package combining TL-ONE coilovers with adjustable sway bars for the\n      Toyota GR86, GT86, and Subaru BRZ platforms.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat vehicles does this kit fit?\u003c\/summary\u003e\n    \u003cp\u003e\n      This kit fits all generations of the shared Toyota \/ Subaru chassis, including Toyota GT86 (ZN6), Toyota GR86\n      (ZN8), Subaru BRZ (ZC6), and Subaru BRZ (ZD8).\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy include sway bars with the coilovers?\u003c\/summary\u003e\n    \u003cp\u003e\n      Sway bars allow roll stiffness to be tuned independently of spring rate, improving balance and grip without\n      compromising ride quality or suspension travel.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eIs the kit built to order?\u003c\/summary\u003e\n    \u003cp\u003e\n      Yes. Spring rates, valving, and sway bar configuration are selected based on your tires, ride height, vehicle\n      weight, and intended use.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAre the TL-ONE dampers rebuildable?\u003c\/summary\u003e\n    \u003cp\u003e\n      Yes. All TL-ONE dampers are fully rebuildable, serviceable, and re-valvable.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this kit suitable for street driving?\u003c\/summary\u003e\n    \u003cp\u003e\n      Yes. The TL-ONE Grip Kit is designed to perform well on the street while offering the control and balance needed\n      for aggressive driving and track use.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the TL-ONE Grip Kit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The TL-ONE Grip Kit is a complete suspension package combining TL-ONE coilovers with adjustable sway bars for the Toyota GR86, GT86, and Subaru BRZ platforms.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What vehicles does this kit fit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit fits Toyota GT86 (ZN6), Toyota GR86 (ZN8), Subaru BRZ (ZC6), and Subaru BRZ (ZD8), which share the same suspension architecture.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why include sway bars with the coilovers?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Including sway bars allows roll stiffness to be tuned independently of spring rate, improving grip and balance without sacrificing ride quality or suspension travel.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the kit built to order?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Spring rates, valving, and sway bar configuration are selected based on vehicle weight, tire size, ride height, and intended use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are the TL-ONE dampers rebuildable?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. TL-ONE dampers are fully rebuildable, serviceable, and re-valvable.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this kit suitable for street driving?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The TL-ONE Grip Kit is designed to perform well on the street while offering the control and balance needed for track use.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n","brand":"Thunder Lane","offers":[{"title":"Default Title","offer_id":51672666702123,"sku":null,"price":3250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/TL-ONEGripkitforToyotaGR86SubaruBRZScionFRS.jpg?v=1766422282"},{"product_id":"tl-one-thunder-lane-single-adjustable-coilover-kit-for-toyota-mr2-zzw30","title":"TL-ONE Thunder Lane Single Adjustable Coilover Kit for Toyota MR2 (ZZW30)","description":"\u003cdiv class=\"tl-product\"\u003e\n\n  \u003cp\u003e\u003cstrong\u003eBuilt to order, to your specs.\u003c\/strong\u003e After purchase, we’ll contact you to confirm your goals and final spec (tire, ride height, use-case, bar stiffness, weight\/aero). We tailor spring rate and valving so the car works on track—not just on paper.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Toyota MR2 Spyder \/ MR-S (ZZW30)\u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eWhat this kit delivers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePredictable balance\u003c\/strong\u003e on entry, mid-corner, and power-down\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReal low-speed control\u003c\/strong\u003e for confidence and tire consistency\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUsable travel\u003c\/strong\u003e at your target ride height (not riding bump stops)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eTL-ONE hardware highlights\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInverted monotube dampers\u003c\/strong\u003e with \u003cstrong\u003e46mm pistons\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003e62mm shock bodies\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFront + rear camber plates\u003c\/strong\u003e (pillowball\/spherical top hats)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e20-click rebound adjustment\u003c\/strong\u003e (track-focused tuning range)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSwift 70mm springs\u003c\/strong\u003e (options available)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHelper springs\u003c\/strong\u003e to maintain tension at droop\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFully rebuildable\u003c\/strong\u003e and re-valveable as your build evolves\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp style=\"font-size:0.95em;\"\u003e\u003cem\u003eNote: Hardware highlights reflect the ZZW30 kit configuration as listed by the manufacturer.\u003c\/em\u003e\u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eSpec options (we confirm with you)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpring rates (F\/R)\u003c\/strong\u003e matched to tire and bar package\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValving profile\u003c\/strong\u003e tuned for 200TW vs RC1\/Toyo R vs slicks\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRide height target\u003c\/strong\u003e and travel optimization\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eFAQ\u003c\/h3\u003e\n  \u003cdiv class=\"tl-faq\"\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003e\u003cstrong\u003eIs this kit rebuildable and serviceable?\u003c\/strong\u003e\u003c\/summary\u003e\n      \u003cp\u003eYes. TL-ONE kits are fully rebuildable and can be serviced and re-valved as your build evolves.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003e\u003cstrong\u003eWill this fit the Toyota MR2 Spyder \/ MR-S (ZZW30)?\u003c\/strong\u003e\u003c\/summary\u003e\n      \u003cp\u003eYes—this listing is for the ZZW30 chassis. We’ll confirm your exact year and intended use before production.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003e\u003cstrong\u003eDo you help choose spring rates?\u003c\/strong\u003e\u003c\/summary\u003e\n      \u003cp\u003eYes. We spec spring rates and valving based on your tire (200TW vs RC1\/Toyo R vs slicks), vehicle weight, bar stiffness, ride height, and goals.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003e\u003cstrong\u003eCan I use this for autocross and time attack?\u003c\/strong\u003e\u003c\/summary\u003e\n      \u003cp\u003eYes. TL-ONE is spec’d to your use-case—autocross, HPDE, and time attack all work well when matched to grip level and priorities.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003e\u003cstrong\u003eWhat’s the lead time?\u003c\/strong\u003e\u003c\/summary\u003e\n      \u003cp\u003eThis kit is built-to-order. After purchase, we’ll confirm your specs and provide an estimated build timeline.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003e\u003cstrong\u003eWhat’s the return policy?\u003c\/strong\u003e\u003c\/summary\u003e\n      \u003cp\u003eBecause this product is custom-built to your specifications, it is generally non-returnable once production begins. Contact us before ordering if you have fitment questions.\u003c\/p\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003chr\u003e\n\n  \u003c!-- FAQ Schema (JSON-LD) --\u003e\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Is this kit rebuildable and serviceable?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. TL-ONE kits are fully rebuildable and can be serviced and re-valved as your build evolves.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Will this fit the Toyota MR2 Spyder \/ MR-S (ZZW30)?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes—this listing is for the ZZW30 chassis. We’ll confirm your exact year and intended use before production.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Do you help choose spring rates?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. We spec spring rates and valving based on your tire (200TW vs RC1\/Toyo R vs slicks), vehicle weight, bar stiffness, ride height, and goals.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Can I use this for autocross and time attack?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. TL-ONE is spec’d to your use-case—autocross, HPDE, and time attack all work well when matched to grip level and priorities.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What’s the lead time?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"This kit is built-to-order. After purchase, we’ll confirm your specs and provide an estimated build timeline.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What’s the return policy?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Because this product is custom-built to your specifications, it is generally non-returnable once production begins. Contact us before ordering if you have fitment questions.\"\n        }\n      }\n    ]\n  }\n  \u003c\/script\u003e\n\n\u003c\/div\u003e\n","brand":"Thunder Lane","offers":[{"title":"Faulkner (standard)","offer_id":51678058807595,"sku":null,"price":2617.31,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51678058840363,"sku":null,"price":2917.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/Toyota_mr_2_ZZW30-thunder-lane-coilover.jpg?v=1766606028"},{"product_id":"tl-one-track-performance-coilovers-mazda-mx-5-miata-na-nb","title":"TL-ONE Thunder Lane Track Performance 1-Way Adjustable Coilover Kit for Mazda MX-5 Miata (NA \/ NB)","description":"\u003csection class=\"tl-product\"\u003e\n  \u003cp class=\"ai-snippet\"\u003e\u003cstrong\u003eBuilt to order, valved for your NA\/NB Miata.\u003c\/strong\u003e TL-ONE is a track-focused coilover kit designed for real grip, usable travel, and repeatable damping on autocross, HPDE, time attack, and wheel-to-wheel builds.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eHand-assembled per order in Poland\u003c\/strong\u003e using top-tier internal hardware (check valves + advanced piston design). Before anything is built, we’ll reach out to confirm your goals, tire size, ride height target, spring rate preference, aero (if any), and typical track surface so we can match a \u003cstrong\u003evalving profile\u003c\/strong\u003e to your chassis and driving style.\u003c\/p\u003e\n\n  \u003ch2\u003eWhy TL-ONE for NA\/NB Miata?\u003c\/h2\u003e\n  \u003cp\u003eThe NA\/NB platform rewards momentum and mechanical grip—but it also punishes dampers that waste travel. Many off-the-shelf kits feel “stiff” without staying composed over curbing, bumps, or transitions. TL-ONE is engineered to deliver \u003cstrong\u003emore effective bump travel\u003c\/strong\u003e and controlled motion so you can run the ride height you want without giving away compliance.\u003c\/p\u003e\n  \u003cp\u003eResult: better platform support under braking\/turn-in, improved mid-corner grip, and a calmer car over rough sections—especially on 200TW tires and aggressive alignment.\u003c\/p\u003e\n\n  \u003ch2\u003eWhat’s Included (TL-ONE 1-Way Adjustable Kit)\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e for consistent performance under heat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectroplated damper bodies\u003c\/strong\u003e for durability and corrosion resistance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFixed-length bodies\u003c\/strong\u003e (reduced “dead space” vs. many sleeve-style kits)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e20-click adjustment\u003c\/strong\u003e (rebound-focused tuning; build-dependent optioning available)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpherical bearing \/ pillowball top mounts\u003c\/strong\u003e for precise steering and repeatability\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDyno graphs included\u003c\/strong\u003e (CVP \u0026amp; PVP) with every set\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRebuildable + serviceable\u003c\/strong\u003e monotube design\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eValving \u0026amp; Customization Options\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCustom valving\u003c\/strong\u003e matched to spring rates, tire grip, and intended use\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpring rate guidance\u003c\/strong\u003e for street\/track balance, autocross response, or time attack support\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRide height targets\u003c\/strong\u003e set around your goals (travel-focused, not just “low”)\u003c\/li\u003e\n    \u003cli\u003eTop mount configuration and hardware spec’d per chassis needs\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eUpgradeable to 3-Way Remote Reservoir\u003c\/h2\u003e\n  \u003cp\u003ePlan to step up later? TL-ONE can be upgraded to a \u003cstrong\u003e3-way remote reservoir\u003c\/strong\u003e configuration with \u003cstrong\u003elow-speed\u003c\/strong\u003e and \u003cstrong\u003ehigh-speed compression\u003c\/strong\u003e adjustment for maximum tuning range on slicks, aero, or rough tracks.\u003c\/p\u003e\n\n  \u003ch2\u003eBest For\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAutocross\u003c\/strong\u003e (fast response without skating over bumps)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHPDE \/ Track Days\u003c\/strong\u003e (temperature stability + composure)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTime Attack\u003c\/strong\u003e (support for wider tires + aggressive alignment)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHill Climb\u003c\/strong\u003e and mixed-surface tracks\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003ch3\u003eDoes this fit both NA and NB Miata?\u003c\/h3\u003e\n  \u003cp\u003eYes—this listing is specifically for \u003cstrong\u003eNA (1989–1997)\u003c\/strong\u003e and \u003cstrong\u003eNB (1999–2005)\u003c\/strong\u003e Mazda MX-5 Miata fitment.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat info do you need to build my kit?\u003c\/h3\u003e\n  \u003cp\u003eWe’ll confirm use case, tires, ride height target, spring preference, alignment goals, and any aero so your kit is \u003cstrong\u003evalved to match\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003ch3\u003eAre TL-ONE dampers rebuildable?\u003c\/h3\u003e\n  \u003cp\u003eYes. TL-ONE monotubes are fully \u003cstrong\u003erebuildable and serviceable\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003ch3\u003eDo you include dyno sheets?\u003c\/h3\u003e\n  \u003cp\u003eYes—every set ships with \u003cstrong\u003eCVP and PVP dyno graphs\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Does this TL-ONE coilover kit fit NA and NB Miata?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. This listing covers Mazda MX-5 Miata NA (1989–1997) and NB (1999–2005) fitment.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Are TL-ONE dampers custom valved?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. Each set is built to order with a valving profile matched to your goals, spring rates, tires, and use.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Do TL-ONE Miata coilovers include dyno graphs?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. CVP and PVP dyno sheets are included with every kit.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Can TL-ONE be upgraded to remote reservoirs?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. TL-ONE can be upgraded to a 3-way remote reservoir configuration with low-speed and high-speed compression adjustment.\"\n        }\n      }\n    ]\n  }\n  \u003c\/script\u003e\n\u003c\/section\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (standard)","offer_id":51686869893419,"sku":null,"price":2165.92,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51686869926187,"sku":null,"price":2465.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/MazdaMiataMX5NANBThunderLanecoilover.jpg?v=1767043854"},{"product_id":"tl-one-track-performance-coilovers-mazda-mx-5-miata-nc","title":"TL-ONE Thunder Lane Track Performance 1-Way Adjustable Coilover Kit for Mazda MX-5 Miata (NC)","description":"\u003csection class=\"tl-product\"\u003e\n  \u003cp class=\"ai-snippet\"\u003e\u003cstrong\u003eNC Miata needs control without harshness.\u003c\/strong\u003e TL-ONE is a built-to-order, 1-way adjustable coilover kit designed to keep the NC planted through braking zones, transitions, and high-load corners—without beating the car up over bumps.\u003c\/p\u003e\n\n  \u003cp\u003eEvery TL-ONE set is \u003cstrong\u003ehand-assembled per order in Poland\u003c\/strong\u003e with premium internal hardware (check valves, advanced piston tech) and ships with \u003cstrong\u003eCVP \u0026amp; PVP dyno graphs\u003c\/strong\u003e. We’ll contact you to confirm your tire, wheel, ride height target, spring preference, and intended use so we can build a \u003cstrong\u003ecustom valving profile\u003c\/strong\u003e that matches your NC’s weight, grip, and setup.\u003c\/p\u003e\n\n  \u003ch2\u003eWhy TL-ONE for NC Miata?\u003c\/h2\u003e\n  \u003cp\u003eThe NC is a fantastic track chassis, but it rewards dampers that can manage weight transfer and keep the tire loaded over imperfect surfaces. Generic coilovers often feel overdamped in the wrong places, which shows up as reduced compliance, skittishness over curbing, and inconsistent grip.\u003c\/p\u003e\n  \u003cp\u003eTL-ONE focuses on \u003cstrong\u003eusable travel + stable monotube damping\u003c\/strong\u003e so the car stays composed at pace—especially with wider tires, stiffer bars, and aggressive alignment.\u003c\/p\u003e\n\n  \u003ch2\u003eWhat’s Included (TL-ONE 1-Way Adjustable Kit)\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e built for heat stability and track consistency\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term durability\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFixed-length construction\u003c\/strong\u003e for efficient packaging and travel\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e20-click adjustment\u003c\/strong\u003e for fast, repeatable tuning changes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for precision and feedback\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDyno graphs included\u003c\/strong\u003e (CVP \u0026amp; PVP)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRebuildable\/serviceable\u003c\/strong\u003e performance monotube design\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eValving, Spring Rates \u0026amp; Setup Support\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBespoke valving\u003c\/strong\u003e tailored to your use (autocross, HPDE, time attack)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpring rate selection help\u003c\/strong\u003e based on tire grip, aero, and balance targets\u003c\/li\u003e\n    \u003cli\u003eTuning advice for ride height and damping baseline to get you on pace faster\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eUpgradeable to 3-Way Remote Reservoir\u003c\/h2\u003e\n  \u003cp\u003eNeed more tuning range for slicks, aero, or rougher circuits? TL-ONE can be upgraded to a \u003cstrong\u003e3-way remote reservoir\u003c\/strong\u003e setup with \u003cstrong\u003elow-speed\u003c\/strong\u003e and \u003cstrong\u003ehigh-speed compression\u003c\/strong\u003e adjustment.\u003c\/p\u003e\n\n  \u003ch2\u003eBest For\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHPDE \/ Track Days\u003c\/strong\u003e (consistency through long sessions)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTime Attack\u003c\/strong\u003e (support for high-grip tires + downforce)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAutocross\u003c\/strong\u003e (responsive without losing compliance)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual-duty street\/track\u003c\/strong\u003e builds with correct spring\/valving choices\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003ch3\u003eIs this kit specific to the NC chassis?\u003c\/h3\u003e\n  \u003cp\u003eYes—this listing is for \u003cstrong\u003e2006–2015 Mazda MX-5 Miata (NC)\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003ch3\u003eAre TL-ONE coilovers custom valved?\u003c\/h3\u003e\n  \u003cp\u003eYes. Your kit is built around your goals and paired with a matching \u003cstrong\u003espring rate + valving\u003c\/strong\u003e recommendation.\u003c\/p\u003e\n\n  \u003ch3\u003eDo you include dyno sheets?\u003c\/h3\u003e\n  \u003cp\u003eYes—every set includes \u003cstrong\u003eCVP and PVP dyno graphs\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Does this TL-ONE coilover kit fit the NC Miata?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. This listing is for Mazda MX-5 Miata NC (2006–2015).\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Are TL-ONE NC Miata coilovers built to order?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. Each set is hand-assembled per order and valved to match your setup and goals.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Do TL-ONE coilovers include dyno graphs?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. CVP and PVP dyno sheets are included with every kit.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Can I upgrade to 3-way remote reservoirs later?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. TL-ONE can be upgraded to a 3-way remote reservoir configuration with low-speed and high-speed compression adjustment.\"\n        }\n      }\n    ]\n  }\n  \u003c\/script\u003e\n\u003c\/section\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (standard)","offer_id":51686869958955,"sku":null,"price":2165.92,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51686869991723,"sku":null,"price":2465.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/MaxdaMiataMX5NCThunderLaneCoiloverkitTL-ONE.jpg?v=1767044019"},{"product_id":"tl-one-track-performance-coilovers-mazda-mx-5-miata-nd","title":"TL-ONE Thunder Lane Track Performance 1-Way Adjustable Coilover Kit for Mazda MX-5 Miata (ND)","description":"\u003csection class=\"tl-product\"\u003e\n\u003cp class=\"ai-snippet\"\u003e\u003cstrong\u003eDial in your ND Miata for real track grip.\u003c\/strong\u003e TL-ONE is a custom-built, 1-way adjustable coilover kit engineered for stable platform control, predictable damping, and the kind of compliance that keeps the tire working on curbing and rough pavement.\u003c\/p\u003e\n\u003cp\u003eEvery kit is \u003cstrong\u003ehand-assembled per order in Poland\u003c\/strong\u003e and ships with \u003cstrong\u003eCVP \u0026amp; PVP dyno graphs\u003c\/strong\u003e. We’ll confirm your goals (HPDE, time attack, autocross), tire and wheel setup, ride height target, and spring preference, then build a \u003cstrong\u003ebespoke valving profile\u003c\/strong\u003e to match how your ND is driven.\u003c\/p\u003e\n\u003ch2\u003eWhy TL-ONE for ND Miata?\u003c\/h2\u003e\n\u003cp\u003eThe ND responds incredibly well to damping quality—especially once you add grip, alignment, and aero. Many generic coilovers get “busy” over bumps or run out of effective travel at track ride heights. TL-ONE is designed around \u003cstrong\u003eusable travel and monotube consistency\u003c\/strong\u003e, helping the car stay calm in transitions while maintaining compliance where it matters.\u003c\/p\u003e\n\u003cp\u003eThat means better confidence at the limit, improved traction on corner exit, and more stability under threshold braking.\u003c\/p\u003e\n\u003ch2\u003eWhat’s Included (TL-ONE 1-Way Adjustable Kit)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e with excellent thermal stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-click adjustment\u003c\/strong\u003e for quick trackside tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for crisp response and repeatability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDyno graphs included\u003c\/strong\u003e (CVP \u0026amp; PVP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebuildable\/serviceable\u003c\/strong\u003e performance damper design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCustom Valving \u0026amp; Spring Rate Matching\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValving matched\u003c\/strong\u003e to your tires, aero, and driving priorities\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring rate recommendations\u003c\/strong\u003e for dual-duty, HPDE, or full time attack focus\u003c\/li\u003e\n\u003cli\u003eGuidance to build a baseline setup that’s fast without feeling “spiky”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUpgradeable to 3-Way Remote Reservoir\u003c\/h2\u003e\n\u003cp\u003eWhen you’re ready to push harder, TL-ONE can be upgraded to a \u003cstrong\u003e3-way remote reservoir\u003c\/strong\u003e configuration with \u003cstrong\u003elow-speed\u003c\/strong\u003e and \u003cstrong\u003ehigh-speed compression\u003c\/strong\u003e adjustment—ideal for aero cars, slicks, and rougher tracks.\u003c\/p\u003e\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHPDE \/ Track Days\u003c\/strong\u003e (composure and consistency in long sessions)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime Attack\u003c\/strong\u003e (platform support with grip and aero)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutocross\u003c\/strong\u003e (fast response without sacrificing compliance)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerious dual-duty\u003c\/strong\u003e builds with proper spring\/valving selection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs this listing for the ND chassis only?\u003c\/h3\u003e\n\u003cp\u003eYes—this listing is for \u003cstrong\u003e2016+ Mazda MX-5 Miata (ND)\u003c\/strong\u003e fitment.\u003c\/p\u003e\n\u003ch3\u003eDo the coilovers come with dyno sheets?\u003c\/h3\u003e\n\u003cp\u003eYes. Each kit includes \u003cstrong\u003eCVP and PVP dyno graphs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCan you help choose spring rates for my ND?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely. We’ll recommend rates based on tires, ride height, aero, and intended use, then match the \u003cstrong\u003evalving\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Does this TL-ONE coilover kit fit the ND Miata?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. This listing is for Mazda MX-5 Miata ND (2016+).\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Are TL-ONE ND Miata coilovers custom valved?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. Each set is built to order with a valving profile matched to your setup, goals, and spring rates.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Do TL-ONE coilovers include dyno graphs?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. CVP and PVP dyno sheets are included with every kit.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Can TL-ONE be upgraded to remote reservoirs?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. TL-ONE can be upgraded to a 3-way remote reservoir configuration with low-speed and high-speed compression adjustment.\"\n        }\n      }\n    ]\n  }\n  \u003c\/script\u003e\u003c\/section\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (standard)","offer_id":51686870024491,"sku":null,"price":2165.92,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51686870057259,"sku":null,"price":2465.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/DSZ01202.jpg?v=1755108627"},{"product_id":"mazda-rx-8-thunder-lane-custom-coilover-kit","title":"TL-ONE Thunder Lane single Adjustable Coilover Kit for Mazda RX-8 (2003–2012)","description":"\u003c!-- =========================\nTL-ONE PRODUCT DESCRIPTION\n========================= --\u003e\n\u003csection class=\"tlone-product-description\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunder Lane custom coilover system for the Mazda RX-8\u003c\/strong\u003e is engineered for drivers who want a suspension that can be \u003cstrong\u003ebuilt around their goals\u003c\/strong\u003e—from HPDE and autocross to time attack and wheel-to-wheel. Every kit is \u003cstrong\u003eassembled by hand\u003c\/strong\u003e and valved to match your tire, aero, and grip level.\u003c\/p\u003e\n\u003cp\u003eDesigned around usable stroke and predictable damping behavior, this kit delivers confidence at the limit without sacrificing mechanical grip over bumps, curbing, and transitions.\u003c\/p\u003e\n\u003ch2\u003eBuilt to Order — Tuned to Your Mazda RX-8\u003c\/h2\u003e\n\u003cp\u003eEach kit is built per order for 2003–2012. Spring rates, valving style, and overall setup are selected using your intended use, ride height goals, and available vehicle data (including corner weights when provided).\u003c\/p\u003e\n\u003ch2\u003eTrack-focused damping with build-specific tuning\u003c\/h2\u003e\n\u003cp\u003eThis system focuses on meaningful adjustability that’s easy to dial in at the track. Your damping configuration is selected during the build, then fine-tuned with on-car adjustment to balance grip, response, and stability.\u003c\/p\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eElectroplated shock bodies\u003c\/li\u003e\n\u003cli\u003eRebuildable monotube dampers\u003c\/li\u003e\n\u003cli\u003eLong-stroke travel for real bump compliance\u003c\/li\u003e\n\u003cli\u003e2.5″ linear springs\u003c\/li\u003e\n\u003cli\u003eHelper springs\u003c\/li\u003e\n\u003cli\u003eCustomizable spring rates (front \u0026amp; rear)\u003c\/li\u003e\n\u003cli\u003eMicro-cellular polyurethane bump stops\u003c\/li\u003e\n\u003cli\u003eDigressive valving\u003c\/li\u003e\n\u003cli\u003eFront pillowball top hats\u003c\/li\u003e\n\u003cli\u003eRear mounts with rubber isolation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDyno documentation:\u003c\/strong\u003e Every kit includes individual shock dyno graphs (CVP and PVP) for transparency and repeatability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection id=\"tlone-faq\" class=\"tlone-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this kit built to order?\u003c\/summary\u003e\n\u003cp\u003eYes. Spring rates and valving are configured per order based on intended use and ride height goals.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I choose spring rates?\u003c\/summary\u003e\n\u003cp\u003eYes. Front and rear spring rates are selectable so we can match tire, grip level, and vehicle setup.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre the shocks rebuildable and serviceable?\u003c\/summary\u003e\n\u003cp\u003eYes. The dampers are fully rebuildable, with individual components available for long-term support.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this suited for track use?\u003c\/summary\u003e\n\u003cp\u003eYes. The kit is designed around predictable damping, usable stroke, and digressive valving for high-performance driving.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":51686969475371,"sku":"MAZDA-RX-8-TL-CUST-FAU","price":2219.99,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51686969508139,"sku":"MAZDA-RX-8-TL-CUST-SWI","price":2519.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/MazdaRX8TLONEThunderLanecoilover.jpg?v=1767047873"},{"product_id":"ford-mustang-s550-thunder-lane-track-coilover-kit","title":"TL-ONE Thunder Lane Single Adjustable Inverted Strut Coilover Kit for Ford Mustang S550\/650 (2015+)","description":"\n\u003c!-- =========================\nTL-ONE PRODUCT DESCRIPTION\n========================= --\u003e\n\n\u003csection class=\"tlone-product-description\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eThunder Lane custom coilover system for the Ford Mustang S550\u003c\/strong\u003e is engineered for drivers who want a suspension\n    that can be \u003cstrong\u003ebuilt around their goals\u003c\/strong\u003e—from HPDE and autocross to time attack and wheel-to-wheel.\n    Every kit is \u003cstrong\u003eassembled by hand\u003c\/strong\u003e and valved to match your tire, aero, and grip level.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Designed around usable stroke and predictable damping behavior, this kit delivers confidence at the limit without\n    sacrificing mechanical grip over bumps, curbing, and transitions.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eBuilt to Order — Tuned to Your Ford Mustang S550\u003c\/h2\u003e\n  \u003cp\u003e\n    Each kit is built per order for 2015–2023. Spring rates, valving style, and overall setup are selected using your intended use,\n    ride height goals, and available vehicle data (including corner weights when provided).\n  \u003c\/p\u003e\n\n  \u003ch2\u003e1-Way Rebound Adjustable Damping\u003c\/h2\u003e\n  \u003cp\u003e\n    This system focuses on meaningful adjustability that’s easy to dial in at the track. Your damping configuration is selected during the build,\n    then fine-tuned with on-car adjustment to balance grip, response, and stability.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFront camber plates\u003c\/li\u003e\n    \u003cli\u003eFront inverted struts (36 mm piston, 40 mm body)\u003c\/li\u003e\n    \u003cli\u003e20-step rebound damping adjustment\u003c\/li\u003e\n    \u003cli\u003eIndependent ride height adjustment (separate height vs preload)\u003c\/li\u003e\n    \u003cli\u003eHelper springs\u003c\/li\u003e\n    \u003cli\u003eRebuildable inverted dampers\u003c\/li\u003e\n    \u003cli\u003eTrack baseline spring setup: Front 12 kg \/ Rear 16 kg (customizable)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\u003cstrong\u003eDyno documentation:\u003c\/strong\u003e Every kit includes individual shock dyno graphs (CVP and PVP) for transparency and repeatability.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"tlone-faq\" class=\"tlone-faq\"\u003e\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes the kit include camber adjustment?\u003c\/summary\u003e\n    \u003cp\u003eYes. Front camber plates are included for alignment flexibility and tire management on track.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat adjustability does it have?\u003c\/summary\u003e\n    \u003cp\u003eThis kit provides 20-step rebound adjustment to tune balance, grip, and response.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan spring rates be changed?\u003c\/summary\u003e\n    \u003cp\u003eYes. Spring rates are configurable during the build so the kit can match your tire and grip level.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre the shocks rebuildable?\u003c\/summary\u003e\n    \u003cp\u003eYes. Thunder Lane dampers are fully rebuildable and serviceable.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003cp\u003e \u003c\/p\u003e\n","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":51686969540907,"sku":"FORD-MUSTANG-S550--FAU","price":2469.99,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51686969573675,"sku":"FORD-MUSTANG-S550--SWI","price":2769.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/FORD_MUSTANG_S550_S650_1_WAY-TL-ONE-THUNDER-LANE_7a4e28c9-8933-4c54-8e41-96588760ae29.jpg?v=1767047687"},{"product_id":"bmw-e36-tl-one-1-way-upside-down-coilovers","title":"TL-ONE Thunder Lane Single Adjustable Inverted Strut Coilover Kit for BMW E36 (1990-2000)","description":"\u003cdiv class=\"tl-product\"\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt to order, to your spec.\u003c\/strong\u003e The \u003cstrong\u003eTL-ONE\u003c\/strong\u003e is Thunder Lane US’s track-focused single adjustable coilover system for the \u003cstrong\u003eBMW E36\u003c\/strong\u003e. Every set is hand-assembled and bespoke-valved to match your tire, aero, grip level, and goals — whether that’s HPDE, autocross, time attack, or wheel-to-wheel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded with every order:\u003c\/strong\u003e CVP + PVP \u003cstrong\u003edyno graphs\u003c\/strong\u003e, build-to-order spring rate selection, and damping tuned for repeatable performance.\u003c\/p\u003e\n\u003ch3\u003eWhat this kit delivers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfidence and consistency\u003c\/strong\u003e on entry, mid-corner, and power-down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal low-speed control\u003c\/strong\u003e for tire management and predictable balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsable travel\u003c\/strong\u003e at your target ride height (not riding bump stops)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInverted Monotube Damper Design\u003c\/h2\u003e\n\u003cp\u003eTL-ONE for the BMW E36 features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einverted front struts\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einverted rear shocks\u003c\/strong\u003e. This design increases rigidity under load, improves durability, and delivers more consistent damping behavior during aggressive driving.\u003c\/p\u003e\n\u003ch3\u003eTL-ONE hardware highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e with advanced piston technology and check valves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-click rebound adjustment\u003c\/strong\u003e for fast, meaningful track-side tuning\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndependent ride height and preload adjustment\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for precise response and alignment stability \u003cstrong\u003eUpside-down (inverted) strut design for rigidity and durability.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5\" linear springs\u003c\/strong\u003e with customizable spring rates (Swift optional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebuildable \u0026amp; serviceable\u003c\/strong\u003e — individual replacement parts available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec options (we confirm with you)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e BMW 3-Series E36 (1992–1999) — confirm exact sub-model during build\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring rates:\u003c\/strong\u003e track-ready defaults or your requested rates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValving profile:\u003c\/strong\u003e linear or digressive (based on your use case)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop mounts:\u003c\/strong\u003e spherical mounts \/ camber plates when applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this kit rebuildable and serviceable?\u003c\/summary\u003e\n\u003cp\u003eYes — all TL dampers are rebuildable and serviceable, with individual replacement parts available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo you include dyno graphs?\u003c\/summary\u003e\n\u003cp\u003eYes. Every order includes CVP + PVP dyno graphs so you can document performance and track changes over time.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan you help choose spring rates and setup?\u003c\/summary\u003e\n\u003cp\u003eAbsolutely. We’ll confirm spring rates, ride height targets, and intended use during the build process.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these suitable for street use?\u003c\/summary\u003e\n\u003cp\u003eThese systems are built with track performance as the priority. Many customers do drive them on the street, but expect a firm, motorsport-oriented ride quality.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eLead time and warranty?\u003c\/summary\u003e\n\u003cp\u003e\u003cstrong\u003eBuild time:\u003c\/strong\u003e built to order. \u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty (non-competition use).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":51687002997035,"sku":"TL-ONE-BMW-E36-1W-UD-FAU","price":2550.0,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51687003029803,"sku":"TL-ONE-BMW-E36-1W-UD-SWI","price":2850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/tl_e46_350z.jpg?v=1755205491"},{"product_id":"tl-one-thunder-lane-track-performance-1-way-adjustable-coilover-kit-for-ek-honda-civic","title":"TL-ONE Thunder Lane Track Performance 1-Way Adjustable Coilover Kit for EK Honda Civic","description":"","brand":"Thunder Lane","offers":[{"title":"Faulkner (standard)","offer_id":51938788606251,"sku":null,"price":2165.92,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":51938788639019,"sku":null,"price":2465.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/honda_civic_3_way-819x1024.jpg?v=1771361968"},{"product_id":"tl-one-mqb","title":"TL-ONE Single Adjustable Coilover Kit for VW Golf MK7\/7.5 (2012-2020) (Inverted)","description":"\u003cdiv class=\"tl-product\"\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt to order, to your spec.\u003c\/strong\u003e The \u003cstrong\u003eTL-ONE\u003c\/strong\u003e is Thunder Lane US’s track-focused single adjustable coilover system for the \u003cstrong\u003eVW Golf Mk7\/7.5\u003c\/strong\u003e. Every set is hand-assembled and bespoke-valved to match your tire, aero, grip level, and goals — whether that’s HPDE, autocross, time attack, or wheel-to-wheel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded with every order:\u003c\/strong\u003e Dyno Graphs, build-to-order spring rate selection, and damping tuned for repeatable performance.\u003c\/p\u003e\n\u003ch3\u003eWhat this kit delivers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfidence and consistency\u003c\/strong\u003e on entry, mid-corner, and power-down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal low-speed control\u003c\/strong\u003e for tire management and predictable balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsable travel\u003c\/strong\u003e at your target ride height (not riding bump stops)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInverted Monotube Damper Design\u003c\/h2\u003e\n\u003cp\u003eTL-ONE for the MK7\/7.5 Golf features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einverted front struts\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einverted rear shocks\u003c\/strong\u003e. This design increases rigidity under load, improves durability, and delivers more consistent damping behavior during aggressive driving.\u003c\/p\u003e\n\u003ch3\u003eTL-ONE hardware highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e46mm monotube dampers\u003c\/strong\u003e with advanced piston technology and check valves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-click rebound adjustment\u003c\/strong\u003e for fast, meaningful track-side tuning\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndependent ride height and preload adjustment\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for precise response and alignment stability \u003cstrong\u003eUpside-down (inverted) strut design for rigidity and durability.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5\" linear springs\u003c\/strong\u003e with customizable spring rates (Swift optional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebuildable \u0026amp; serviceable\u003c\/strong\u003e — individual replacement parts available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec options (we confirm with you)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e VW Golf MK7\/7.5 (2012-2020) — confirm exact sub-model during build\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring rates:\u003c\/strong\u003e track-ready defaults or your requested rates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValving profile:\u003c\/strong\u003e linear or digressive (based on your use case)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop mounts:\u003c\/strong\u003e spherical mounts \/ camber plates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSway Bar End Links:\u003c\/strong\u003e Front adjustable sway bar end links are included with the kit.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eIs this kit rebuildable and serviceable?\u003c\/summary\u003e\n\u003cp\u003eYes — all TL dampers are rebuildable and serviceable, with individual replacement parts available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eDo you include dyno graphs?\u003c\/summary\u003e\n\u003cp\u003eYes. Every order includes CVP + PVP dyno graphs so you can document performance and track changes over time.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eCan you help choose spring rates and setup?\u003c\/summary\u003e\n\u003cp\u003eAbsolutely. We’ll confirm spring rates, ride height targets, and intended use during the build process.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eAre these suitable for street use?\u003c\/summary\u003e\n\u003cp\u003eThese systems are built with track performance as the priority. Many customers do drive them on the street, but expect a firm, motorsport-oriented ride quality.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eLead time and warranty?\u003c\/summary\u003e\n\u003cp\u003e\u003cstrong\u003eBuild time:\u003c\/strong\u003e built to order. \u003cstrong\u003eWarranty:\u003c\/strong\u003e 90 Days.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":52243680919851,"sku":null,"price":2499.0,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":52243680952619,"sku":null,"price":2699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/seat_gti_mqb.jpg?v=1771357443"},{"product_id":"tl-one-custom-spec-all-makes-and-models","title":"TL-ONE Custom Spec - All Makes and Models","description":"\u003cp\u003eTL-ONE Custom Spec coilovers engineered for your specific platform.\u003c\/p\u003e\n\u003cp\u003eIdeal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnsupported platforms.\u003c\/li\u003e\n\u003cli\u003eBuilds with modified suspension geometry.\u003c\/li\u003e\n\u003cli\u003eKits that must be built to a specific rule set. (Champcar, SCCA Autocross Street classes, etc..)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis\u003cstrong\u003e deposit\u003c\/strong\u003e secures a bespoke suspension setup tailored to your vehicle's requirements, with final pricing between\u003cstrong\u003e $2,300–$3,200 \u003c\/strong\u003ebased on hardware specifications. Upon purchase, you'll provide essential fitment data—vehicle measurements or OEM shock samples (front and rear) for validation testing. Our engineering team uses this information to develop a precision-tuned coilover system optimized for your application. All submitted components are returned post-evaluation. \u003c\/p\u003e","brand":"thunderlane.us","offers":[{"title":"Default Title","offer_id":52243847643435,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/e46_tl_b72c4e42-b781-4bfa-8373-588b328c5fb2.png?v=1771360759"},{"product_id":"tl-one-thunder-lane-single-adjustable-inverted-strut-coilover-kit-for-mini-r53","title":"TL-ONE Thunder Lane Single Adjustable Inverted Strut Coilover Kit for Mini Cooper R53 (2002-2006)","description":"\u003c!-- =========================\nTL-ONE PRODUCT DESCRIPTION – MINI COOPER R53\n========================= --\u003e\n\u003csection class=\"tlone-product-description\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunder Lane custom coilover system for the Mini Cooper R53\u003c\/strong\u003e is engineered for drivers who want a suspension that can be \u003cstrong\u003ebuilt around their goals\u003c\/strong\u003e—from HPDE and autocross to time attack and aggressive street driving. Every kit is \u003cstrong\u003eassembled by hand\u003c\/strong\u003e and valved specifically for the unique short-wheelbase, front-wheel-drive dynamics of the R53 chassis.\u003c\/p\u003e\n\u003cp\u003eDesigned around usable stroke and predictable damping behavior, this kit transforms the R53’s character— improving front-end bite, mid-corner rotation, and exit traction without sacrificing compliance over bumps, curbing, or rough pavement.\u003c\/p\u003e\n\u003ch2\u003eBuilt to Order — Tuned to Your Mini Cooper R53\u003c\/h2\u003e\n\u003cp\u003eEach kit is built per order for 2002–2006 Mini Cooper S (R53). Spring rates, valving style, and overall setup are selected using your intended use, ride height goals, tire setup, and available vehicle data (including corner weights when provided).\u003c\/p\u003e\n\u003ch2\u003e1-Way Rebound Adjustable Damping\u003c\/h2\u003e\n\u003cp\u003eThis system focuses on meaningful adjustability that’s easy to dial in. Your damping configuration is selected during the build, then fine-tuned with on-car adjustment to balance front grip, rear rotation, and stability under braking and power.\u003c\/p\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFront camber plates\u003c\/li\u003e\n\u003cli\u003eFront inverted struts (36 mm piston, 40 mm body)\u003c\/li\u003e\n\u003cli\u003e20-step rebound damping adjustment\u003c\/li\u003e\n\u003cli\u003eIndependent ride height adjustment (separate height and travel adjustment)\u003c\/li\u003e\n\u003cli\u003eHelper springs\u003c\/li\u003e\n\u003cli\u003eRebuildable inverted dampers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDyno documentation:\u003c\/strong\u003e Every kit includes individual shock dyno graphs (CVP and PVP) for transparency and repeatability.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection id=\"tlone-faq\" class=\"tlone-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the kit include camber adjustment?\u003c\/summary\u003e\n\u003cp\u003eYes. Front camber plates are included to maximize front-end grip and manage tire wear for track or aggressive street use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat adjustability does it have?\u003c\/summary\u003e\n\u003cp\u003eThis kit provides 20-step rebound adjustment to tune front grip, rear rotation, and overall chassis balance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan spring rates be changed?\u003c\/summary\u003e\n\u003cp\u003eYes. Spring rates are configurable during the build so the kit can match your tire compound, aero setup, and driving style.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre the shocks rebuildable?\u003c\/summary\u003e\n\u003cp\u003eYes. Thunder Lane dampers are fully rebuildable and serviceable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":52249886523691,"sku":null,"price":2399.0,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":52249886556459,"sku":null,"price":2769.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/MINI_COOPER_R53_LIFTED-819x1024.jpg?v=1771517617"},{"product_id":"tl-one-single-adjustable-bmw-e82-1-series-2004-2013-all-trims","title":"TL-ONE Single Adjustable BMW E82 1 Series (2004-2013) (All trims)","description":"\u003cdiv class=\"tl-product\"\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt to order, to your spec.\u003c\/strong\u003e The \u003cstrong\u003eTL-ONE\u003c\/strong\u003e is Thunder Lane US’s track-focused single adjustable coilover system for the \u003cstrong\u003eBMW E82 1 Series\u003c\/strong\u003e. Every set is hand-assembled and bespoke-valved to match your tire, aero, grip level, and goals — whether that’s HPDE, autocross, time attack, or wheel-to-wheel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded with every order:\u003c\/strong\u003e CVP + PVP \u003cstrong\u003edyno graphs\u003c\/strong\u003e, build-to-order spring rate selection, and damping tuned for repeatable performance.\u003c\/p\u003e\n\u003ch3\u003eWhat this kit delivers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfidence and consistency\u003c\/strong\u003e on entry, mid-corner, and power-down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal low-speed control\u003c\/strong\u003e for tire management and predictable balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsable travel\u003c\/strong\u003e at your target ride height (not riding bump stops)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTL-ONE hardware highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverted front dampers\u003c\/strong\u003e with advanced piston technology and check valves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-click rebound adjustment\u003c\/strong\u003e for fast, meaningful track-side tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectroplated bodies\u003c\/strong\u003e for long-term corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpherical bearing top mounts\u003c\/strong\u003e for precise response and alignment stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5\" linear springs\u003c\/strong\u003e with customizable spring rates (Swift optional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebuildable \u0026amp; serviceable\u003c\/strong\u003e — individual replacement parts available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec options (we confirm with you)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e BMW 1-Series E82 — confirm exact chassis and options during build\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring rates:\u003c\/strong\u003e track-ready defaults or your requested rates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValving profile:\u003c\/strong\u003e linear or digressive (based on your use case)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop mounts:\u003c\/strong\u003e spherical mounts \/ camber plates when applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e \u003csummary\u003eIs this kit rebuildable and serviceable?\u003c\/summary\u003e\n\u003cp\u003eYes — all TL dampers are rebuildable and serviceable, with individual replacement parts available.\u003c\/p\u003e\n\u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003eDo you include dyno graphs?\u003c\/summary\u003e\n\u003cp\u003eYes. Every order includes CVP + PVP dyno graphs so you can document performance and track changes over time.\u003c\/p\u003e\n\u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003eCan you help choose spring rates and setup?\u003c\/summary\u003e\n\u003cp\u003eAbsolutely. We’ll confirm spring rates, ride height targets, and intended use during the build process.\u003c\/p\u003e\n\u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003eAre these suitable for street use?\u003c\/summary\u003e\n\u003cp\u003eThese systems are built with track performance as the priority. Many customers do drive them on the street, but expect a firm, motorsport-oriented ride quality.\u003c\/p\u003e\n\u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003eLead time and warranty?\u003c\/summary\u003e\n\u003cp\u003e\u003cstrong\u003eBuild time:\u003c\/strong\u003e built to order. \u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty (non-competition use).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":52959409504555,"sku":"TL-ONE-BMW-E9X-1W-FAU","price":2714.25,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":52959409537323,"sku":"TL-ONE-BMW-E9X-1W-SWI","price":3014.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/IMG_9114-768x1024.jpg?v=1766155071"},{"product_id":"tl-one-thunder-lane-single-adjustable-inverted-strut-coilover-kit-camaro-6th","title":"TL-ONE Single Adjustable Inverted Strut Coilover Kit for Chevrolet Camaro 6th Gen (2016-2024)","description":"\u003c!-- =========================\nTL-ONE PRODUCT DESCRIPTION\n========================= --\u003e\n\u003csection class=\"tlone-product-description\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunder Lane custom coilover system for the Chevrolet Camaro 6th Gen\u003c\/strong\u003e is engineered for drivers who want a suspension that can be \u003cstrong\u003ebuilt around their goals\u003c\/strong\u003e—from HPDE and autocross to time attack and wheel-to-wheel. Every kit is \u003cstrong\u003eassembled by hand\u003c\/strong\u003e and valved to match your tire, aero, and grip level.\u003c\/p\u003e\n\u003cp\u003eDesigned around usable stroke and predictable damping behavior, this kit delivers confidence at the limit without sacrificing mechanical grip over bumps, curbing, and transitions.\u003c\/p\u003e\n\u003ch2\u003eBuilt to Order — Tuned to Your  Chevrolet Camaro 6th Gen\u003c\/h2\u003e\n\u003cp\u003eEach kit is built per order. Spring rates, valving style, and overall setup are selected using your intended use, ride height goals, and available vehicle data (including corner weights when provided).\u003c\/p\u003e\n\u003ch2\u003e1-Way Rebound Adjustable Damping\u003c\/h2\u003e\n\u003cp\u003eThis system focuses on meaningful adjustability that’s easy to dial in at the track. Your damping configuration is selected during the build, then fine-tuned with on-car adjustment to balance grip, response, and stability.\u003c\/p\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFront camber plates\u003c\/li\u003e\n\u003cli\u003eFront inverted struts (36 mm piston, 40 mm body)\u003c\/li\u003e\n\u003cli\u003e20-step rebound damping adjustment\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelper springs\u003c\/li\u003e\n\u003cli\u003eRebuildable inverted dampers\u003c\/li\u003e\n\u003cli\u003eTrack baseline spring setup: Front 12 kg \/ Rear 16 kg (customizable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDyno documentation:\u003c\/strong\u003e Every kit includes individual shock dyno graphs (CVP and PVP) for transparency and repeatability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-Year Warranty.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection id=\"tlone-faq\" class=\"tlone-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the kit include camber adjustment?\u003c\/summary\u003e\n\u003cp\u003eYes. Front camber plates are included for alignment flexibility and tire management on track.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat adjustability does it have?\u003c\/summary\u003e\n\u003cp\u003eThis kit provides 20-step rebound adjustment to tune balance, grip, and response.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan spring rates be changed?\u003c\/summary\u003e\n\u003cp\u003eYes. Spring rates are configurable during the build so the kit can match your tire and grip level.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre the shocks rebuildable?\u003c\/summary\u003e\n\u003cp\u003eYes. Thunder Lane dampers are fully rebuildable and serviceable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Thunder Lane","offers":[{"title":"Faulkner (Standard)","offer_id":53343400788267,"sku":null,"price":2469.99,"currency_code":"USD","in_stock":true},{"title":"Swift","offer_id":53343400821035,"sku":null,"price":2769.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/FORD_MUSTANG_S550_S650_1_WAY-TL-ONE-THUNDER-LANE_7a4e28c9-8933-4c54-8e41-96588760ae29.jpg?v=1767047687"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/collections\/tl_350z_3.jpg?v=1770314132","url":"https:\/\/thunderlane.us\/collections\/tl-one.oembed?page=2","provider":"thunderlane.us","version":"1.0","type":"link"}