Swift Helper Springs 65mm ID, 2.8 in length 0.8 kg/mm Pair Swift Sport Springs especially since these two aspects

especially since these two aspects contrast with each other

F87 M2(P/N: DIA2175X203C24)

Helper springs allow the spring to stay on mounted on the coilover perch when the shock is under negative or zero load

70mm ID Adapter kit comes with an adapter and 2 metal washer sheets (1 kit for 1 spring)

Swift Helper Springs 65mm ID, 2.8 in length 0.8 kg/mm Pair Swift Sport Springs especially since these two aspects65mm ID, 2. 8 in length 0. 8 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.