Swift Round Wire Linear Rate Bump Springs 4000 lbs/in Bump Springs Spring Rate Drop Front Rear

Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 7

7 in length 6 kg/mm

120 lbs/in

The Berk Technology exhaust system is perfect for those wanting to release the performance and sound from their high performance machine

Swift Round Wire Linear Rate Bump Springs 4000 lbs/in Bump Springs Spring Rate Drop Front RearRound Wire Linear Rate Bump Springs 4000 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.