Fits Berk Technology V1 intercooler kits and Greddy "style" intercooler kits
Round Wire Linear Rate Bump Springs 700 lbs/in
Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 6
Can be used with any aftermarket exhaust system
Swift Round Wire Linear Rate Bump Springs 1400 lbs/in race Fits Berk Technology V1 intercoolerRound Wire Linear Rate Bump Springs 1400 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.