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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Helper springs allow the spring to stay on mounted on the coilover perch when the shock is under negative or zero load
Swift helper Springs are made from a proprietary material
950 lbs/in
60mm ID All Kits come with 4 thrust sheets & 4 metal washer sheets (1 kit for 2 springs)
Swift Round Wire Linear Rate Bump Springs 3000 lbs/in Pull Bar Springs Helper springs allow the springRound 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.
US$ 20.80
US$ 22.00
US$ 19.39
