Swift Round Wire Linear Rate Bump Springs 3000 lbs/in Pull Bar Springs Round Wire Linear Rate Bump

Round Wire Linear Rate Bump Springs 500 lbs/in

60mm ID All Kits come with 4 thrust sheets & 4 metal washer sheets (1 kit for 2 springs)

Swift Sport Springs 05-09 SUBARU LEGACY GT WAGON BP6 4F007

Swift helper Springs are made from a proprietary material

Swift Round Wire Linear Rate Bump Springs 3000 lbs/in Pull Bar Springs Round Wire Linear Rate BumpRound Wire Linear Rate Bump Springs 3000 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.