ST Muscle Car Springs Ford Mustang /Mercury Capri Up to 1989

With our ST Sport Springs, you can equip your car with a spring kit that has been developed specifically for your vehicle and designed to fit your original shocks. Our ST Sport Springs are designed to work in conjunction with your factory dampers. Each set is matched to your particular vehicle to ensure your suspension continues to function properly. At ST suspensions, your driving experience is the main focus when it comes to our products. That is why we select vehicle specific spring rates in each ST Sport Spring kit to perfectly match your original dampers. Our ST Sport Springs are made out of chrome silicon steel to guarantee a long lasting and quality driving experience. You will not only benefit from a more direct handling but also improved steering and more stability during cornering because the vehicle's body roll is reduced. ST suspensions springs are constructed to OEM quality standards. They are made of high strength chrome silicon steel in a cold winding process then multi-tempered and have a final epoxy coating. This process helps resistance to different weather conditions. The high strength ST spring steel also ensures that our ST springs are block resistant and the springs do not sag.

Additional Information

ST sport springs are designed to work with the standard dampers to ensure the driving dynamics are improved. Depending on the lowering, ST sport springs have different spring rates that harmonize with the standard shock absorbers.

Application Summary

1979-1993 Ford Mustang (& Capri thru '89)

Part Type

Coil Spring Set

• Greatly improve the driving behavior of a vehicle as well as its overall looks
• Lower the center of gravity to provide increased driving dynamics and handling.
• Made from chrome silicon steel in a cold winding process
• Multi-coated with a final epoxy coating ensuring OEM quality and finish
• The ideal spring rate for every car, tuned to work perfectly with the OE dampers.

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Musclecar Springs, Rear Coil, Gunmetal, Ford, Pair

Catering to enthusiasts wanting to restore their musclecars to original stock height, ST Suspensions offers these heavy-duty stock height coil springs. These coil springs return the comfortable ride and handling that your car had--only better. ST Suspensions coil springs offer ultimate handling with an increased spring rating for an even more enjoyable ride than you remember. These springs are also powdercoated for long-lasting durability.