Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 6
Swift Spec-R Springs 15+ SUBARU IMPREZA WRX STI VA 4F914R
380 x 30mm “Endurance” Alcon Motorsport disc rings and hardware
150 lbs/in Barrel Type
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 1800 lbs/in Berk Technology Spring Rate Drop Front RearRound Wire Linear Rate Bump Springs 1800 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.