Swift Helper Springs 60mm ID, 2.4 in length 1.5 kg/mm Pair AP1 and is CNC gundrilled to

and is CNC gundrilled to reduce weight

They are great for driving on the road and on the track

6 kg/mm Progressive

230 lbs/in

and eliminates bushing deflection under load

Swift Helper Springs 60mm ID, 2.4 in length 1.5 kg/mm Pair AP1 and is CNC gundrilled to60mm 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.