we expect both street and circuit users to experience an increase in all aspects of suspension tuning from performance to comfort
and spring rates from 3kg (168lbs) all the way up to 34kg (1900lbs)
175 lbs/in
200/500 lbs/in Progressive
Swift Helper Springs 60mm ID, 5.3 in length 0.1 kg/mm Pair Bump Springs we expect both street and60mm ID, 5. 3 in length 0. 1 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.