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Ridetech HQ Series Rear Coilovers for 2015-2025 Ford Mustang S550/S650
The Ridetech HQ Series Rear Coilovers, MPN 12276210, are a monotube rear coilover pair built for the 2015-2025 Ford Mustang S550 and S650 independent rear suspension. Each shock uses Fox Factory internals and valving inside an impact-forged aluminum body, matched to a set of Hyperco coil springs for a consistent spring rate at both rear corners. The 24-position rebound adjustment lets you dial ride quality from a comfortable street setting to a firmer response for autocross or road course use, and the kit lowers the rear 1.5 to 2.5 inches from stock to improve center of gravity and close the wheel-to-tire gap. MPN 12276210 is application specific to the S550 and S650 rear suspension and mounts using the factory attachment points.
Key Features
- Fox Factory monotube shock internals and valving for consistent damping and reduced fade
- Impact-forged aluminum shock bodies for a strong, lightweight build
- 24-position rebound adjustment for street, drag, road course, or autocross tuning
- Included Hyperco coil springs matched to the shock valving for consistent spring rates
- Black and gray anodized finish paired with blue Hyperco springs
- 1.5 to 2.5 inch drop from stock ride height
- Bolt-on installation with application-specific mounting hardware
- Made in the USA and covered by Ridetech's 1,000,001 Mile Warranty
Fitment
| Year | Make | Model |
|---|---|---|
| 2015-2025 | Ford | Mustang |
MPN 12276210 fits four, six, and eight cylinder Mustang S550 and S650 models. Cars equipped with the factory electronic shock system need an Electronic Shock Simulator kit from Shock Delete Engineering, and 2024 and newer cars with electronic shocks also need a specific rear lower shock bracket, so confirm compatibility with your suspension type before ordering.
Specifications
| Detail | Value |
|---|---|
| MPN | 12276210 |
| SKU | RID12276210 |
| Shock Type | Monotube, Fox Factory internals |
| Rebound Adjustment | 24 position |
| Spring Brand | Hyperco |
| Ride Height Change | 1.5 to 2.5 inch drop from stock |
| Body Material | Impact-forged aluminum |
| Finish | Black and gray anodized |
| Warranty | 1,000,001 Mile Warranty |
| Country of Origin | United States |
What's Included
- 2 HQ Series rebound-adjustable rear coilover shocks
- 2 Hyperco coil springs
- Application-specific mounting hardware
About Ridetech
Ridetech designs and manufactures coilovers, air suspension, and control arm systems for street performance, autocross, and road course applications, and builds every HQ Series coilover, including MPN 12276210, in the United States.
Related Parts
Frequently Asked Questions
What does the 24-position rebound adjustment change?
It changes how quickly the shock controls spring rebound after a bump, so you can set a softer response for daily street driving or a firmer response for autocross and road course driving. This kit ships with the adjustment preset for a balanced street setting.
Will this kit work with the factory electronic shocks?
No. Cars equipped with the factory electronic shock system need an Electronic Shock Simulator kit from Shock Delete Engineering before installing this coilover system.
How much does the rear ride height drop?
The kit allows 1.5 to 2.5 inches of drop from stock ride height, adjustable at the coilover.
Does this kit include the springs?
Yes. Each kit ships with a matched pair of Hyperco coil springs already sized to the shock valving.
Is this a bolt-on installation?
Yes. The kit uses application-specific mounting points and does not require irreversible modification to the vehicle.
What finish do the shock bodies use?
The shock bodies use a black and gray anodized finish paired with blue Hyperco springs.
Do 2024 and newer Mustangs need anything extra?
Yes. 2024 and newer cars equipped with electronic shocks need a specific rear lower shock bracket in addition to the Electronic Shock Simulator kit.
What warranty does Ridetech provide on this coilover system?
Ridetech backs this coilover system with its 1,000,001 Mile Warranty.
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