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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
280 lbs/in Barrel Type
325 lbs/in
700 lbs/in Barrel Type
160 lbs/in
190 lbs/in Barrel Type
Swift Round Wire Linear Rate Bump Springs 700 lbs/in Assist Springs 280 lbs/in Barrel TypeRound Wire Linear Rate Bump Springs 700 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.
