Spec-r springs
Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 6
maintaining optimum suspension geometry and reducing wheel hop
380 x 30mm “Endurance” Alcon Motorsport disc rings and hardware
Swift Spec-R Springs 15+ SUBARU IMPREZA WRX STI VA 4F914R
Swift Round Wire Linear Rate Bump Springs 1800 lbs/in Berk Technology Spec-r springsRound 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.