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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Now Formula Drift Regulation Compliant
and is CNC gundrilled to reduce weight
6 kg/mm Progressive
230 lbs/in
Round Wire Progressive Rate Bump Springs 500-1000 lbs/in
Swift Helper Springs 60mm ID, 2.4 in length 1.5 kg/mm Pair AP1 Now Formula Drift Regulation Compliant60mm ID, 2. 4 in length 1. 5 kg mm Swift Helper Springs are made from a proprietary material. Helper springs allow the spring to stay on mounted on the coilover perch when the shock is under negative or zero load, also known as droop travel. 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.
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