{"product_id":"porsche-911-991-992-tl-has-height-adjustable-spring-kit","title":"Porsche 911 (991\/992) TL-HAS Height Adjustable Spring Kit","description":"\u003cp class=\"tl-consult-top\" style=\"margin:0 0 16px;padding:10px 14px;background:#FAEEDA;border-left:3px solid #fdb819;font-size:15px;line-height:1.6;\"\u003e\u003cstrong\u003eBuilt to order.\u003c\/strong\u003e Not sure which spec you need? \u003ca href=\"\/pages\/build-consultation?chassis=911+991%2F992\u0026amp;product=Porsche+911+%28991%2F992%29+TL-HAS\"\u003eSpec your build with us →\u003c\/a\u003e\u003c\/p\u003e\n\u003csection class=\"tlhas-product-description\"\u003e\n\u003cp\u003eThe \u003cstrong\u003ePorsche 911 (991\/992) TL-HAS Height Adjustable Spring Kit\u003c\/strong\u003e is Thunder Lane's height-adjustable spring system for the 991 and 992 generation 911 — hand-assembled in Poland and built to order, letting you dial in ride height on your factory dampers without moving to a full coilover.\u003c\/p\u003e\n\u003ch2\u003eHeight Adjustable, Factory-Damper Friendly\u003c\/h2\u003e\n\u003cp\u003eTL-HAS lowers the car and lets you set front and rear ride height independently, while keeping the factory suspension — including electronic damping control — fully active. It's the clean way to get a corner-balanced stance and improved handling on a car you want to keep largely OEM.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFront lowering range 15–35mm; rear lowering range 20–40mm\u003c\/li\u003e\n\u003cli\u003eWorks with factory suspension, including electronic damping control (PASM)\u003c\/li\u003e\n\u003cli\u003eTailored spring travel for improved handling and stance\u003c\/li\u003e\n\u003cli\u003eIndependent front and rear ride-height adjustment\u003c\/li\u003e\n\u003cli\u003eSpring rates finalized in consultation with you before production begins\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003ePorsche 911 (991 and 992), 2WD and 4WD, including Carrera S 2WD.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"tlhas-faq\" id=\"tlhas-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat's the lead time?\u003c\/summary\u003e\u003cp\u003e4–6 weeks, built to order.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat's the warranty?\u003c\/summary\u003e\u003cp\u003e6 months — void for track damage, covers unreasonable wear and defects only.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it keep my PASM and factory suspension features?\u003c\/summary\u003e\u003cp\u003eYes — TL-HAS works with the factory suspension, and electronic damping control (PASM) remains fully active.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I set the ride height myself?\u003c\/summary\u003e\u003cp\u003eYes — front and rear ride height adjust independently so you can dial in your exact stance and corner balance.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003cp\u003eRacing Thunder Lane suspension in Time Attack, Hill Climb, or wheel-to-wheel? Ask about product credit through our contingency program.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"Porsche 911 (991\/992) TL-HAS Height Adjustable Spring Kit\",\"description\":\"Height-adjustable lowering springs for the Porsche 911 991 and 992 (2WD\/4WD) — independent front\/rear ride height, keeps factory PASM active, hand-assembled and built to order.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Thunder Lane\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What's the lead time?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4–6 weeks, built to order.\"}},{\"@type\":\"Question\",\"name\":\"What's the warranty?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"6 months — void for track damage, covers unreasonable wear and defects only.\"}},{\"@type\":\"Question\",\"name\":\"Does it keep my PASM and factory suspension features?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — TL-HAS works with the factory suspension, and electronic damping control (PASM) remains fully active.\"}}]}\u003c\/script\u003e\u003cp class=\"tl-guide-link\"\u003eWant the full breakdown for your chassis? Read the \u003ca href=\"https:\/\/thunderlane.us\/blogs\/news\/height-adjustable-springs-for-the-porsche-911-991-992-lower-it-keep-pasm\"\u003ePorsche 911 height-adjustable springs guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"tl-consult-cta\" style=\"margin:32px 0 8px;padding:24px;border:1px solid #e3e3e3;border-radius:8px;text-align:center;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:18px;font-weight:600;\"\u003eNot sure which spec you need?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 16px;font-size:15px;color:#555;line-height:1.6;\"\u003eTell us the chassis, how the car is built, and how you use it. We spec the kit before anything is assembled.\u003c\/p\u003e\n\u003ca class=\"tl-consult-btn\" href=\"\/pages\/build-consultation?chassis=911+991%2F992\u0026amp;product=Porsche+911+%28991%2F992%29+TL-HAS\" style=\"display:inline-block;padding:14px 30px;background:#fdb819;color:#111;font-size:16px;font-weight:600;text-decoration:none;border-radius:6px;\"\u003eSpec your build with us\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Thunder Lane","offers":[{"title":"Default Title","offer_id":54981739905323,"sku":"TL-HAS-PORSCHE-911","price":1200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/7960\/6315\/files\/IMG_3540-856x1024.jpg?v=1786473403","url":"https:\/\/thunderlane.us\/products\/porsche-911-991-992-tl-has-height-adjustable-spring-kit","provider":"thunderlane.us","version":"1.0","type":"link"}