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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Our exclusive 4130 Chromoly Double Adjuster offers wide adjustment range and precise adjustment
Now Formula Drift Regulation Compliant
80 lbs - disc ring weight
230 lbs/in
Swift Helper Springs 60mm ID, 2.4 in length 1.5 kg/mm Pair AP1 Our exclusive 4130 Chromoly Double60mm 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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