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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
8 in length 6 kg/mm
adding horsepower
850 lbs/in
Helper springs allow the spring to stay on mounted on the coilover perch when the shock is under negative or zero load
Swift developed each Sport Springs application based on the individual vehicle's unique characteristic
Swift Bump Spring Retainers 5/8" Shaft Flat Track Motorcycle Springs 8 in length 6 kg/mmBump Spring Retainers 5 8" Shaft 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.
