CUSTOM VALVING AVAILABLE
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Thunder Lane
TL-ONE Thunder Lane Single Adjustable Inverted Strut Coilover Kit for Ford Mustang S550/650 (2015+)
$2,469.99
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- Description
- Shipping and Refund
- Reviews
The Thunder Lane custom coilover system for the Ford Mustang S550 is engineered for drivers who want a suspension that can be built around their goals—from HPDE and autocross to time attack and wheel-to-wheel. Every kit is assembled by hand and valved to match your tire, aero, and grip level.
Designed around usable stroke and predictable damping behavior, this kit delivers confidence at the limit without sacrificing mechanical grip over bumps, curbing, and transitions.
Built to Order — Tuned to Your Ford Mustang S550
Each kit is built per order for 2015–2023. 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).
1-Way Rebound Adjustable Damping
This 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.
What’s Included
- Front camber plates
- Front inverted struts (36 mm piston, 40 mm body)
- 20-step rebound damping adjustment
- Independent ride height adjustment (separate height vs preload)
- Helper springs
- Rebuildable inverted dampers
- Track baseline spring setup: Front 12 kg / Rear 16 kg (customizable)
Dyno documentation: Every kit includes individual shock dyno graphs (CVP and PVP) for transparency and repeatability.
Warranty: 3-Year Warranty.
Frequently Asked Questions
Does the kit include camber adjustment?
Yes. Front camber plates are included for alignment flexibility and tire management on track.
What adjustability does it have?
This kit provides 20-step rebound adjustment to tune balance, grip, and response.
Can spring rates be changed?
Yes. Spring rates are configurable during the build so the kit can match your tire and grip level.
Are the shocks rebuildable?
Yes. Thunder Lane dampers are fully rebuildable and serviceable.
We build every suspension set to order and want you to know exactly what to expect from checkout to delivery.
Build Lead Time (Made-to-Order)
Due to high demand and a recent increase in new orders and rebuilds, all orders currently require a 3–4 week lead time to machine hardware and complete assembly.
Every set is built 100% in-house in Kraków, Poland—no outsourced assembly, no pre-built inventory.
Shipping Time to the United States
Once your order is complete and ready to dispatch, typical shipping time to the U.S. is 5–10 business days.
Transit time can vary slightly depending on carrier, customs processing, and your location.
Order Processing & Tracking
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You’ll receive a confirmation email after placing your order.
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When your order ships, you’ll receive an email with tracking information.
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If your order includes multiple items, they may ship together or separately depending on production status.
Important Notes
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Lead times are estimates and may change based on current workload, parts availability, or production volume.
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Business days do not include weekends or holidays.
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International shipments may experience customs-related delays outside of our control.
Need Help?
If you have a deadline (event, track day, or travel schedule) or want an update on your order, contact us and we’ll do our best to help you plan accordingly.
