Swift Flat Wire Linear Rate Bump Springs 800 lbs/in Helper Springs Copy of Swift Sport Springs

Copy of Swift Sport Springs 08-10 SUBARU IMPREZA WRX STI GRB 4F907

Flat Wire Linear Rate Bump Springs 1100 lbs/in

4 inch length

Spec R springs are wound with the same engineering and material as our sports springs

but they are also comfortable enough for a daily driver

Swift Flat Wire Linear Rate Bump Springs 800 lbs/in Helper Springs Copy of Swift Sport SpringsFlat Wire Linear Rate Bump Springs 800 lbs in Swift Bump Springs are made from a proprietary material. The same springs are used in Super GT, Formula Nippon, F3, F3000, Super Taikyu, IMSA, Pirelli World Challenge, Rally America, VLN, Le Mans Series, Formula Drift, and many other professional racing avenues.