Swift Helper Springs 65mm ID, 2.8 in length 0.8 kg/mm Pair Swift Sport Springs Round Wire Linear Rate Bump

Round Wire Linear Rate Bump Springs 3000 lbs/in

Precision CNC machined 9310 alloy shanks with 190ksi tensile strength are utilized to handle the abuse of racing and drifting

F87 M2(P/N: DIA2175X203C24)

8mm “Endurance” Alcon Motorsport disc rings and hardware

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 Round Wire Linear Rate Bump65mm 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.