Swift Helper Springs 70mm ID, 2.8 in length 0.8 kg/mm Pair Spec R Springs Only compatible with Alcon 2-piece

Only compatible with Alcon 2-piece disc assembly for BMW F80 M3

Hardened JMX high misalignment low friction 3 piece Teflon lined FK Heim joints/rod ends

Copy of Swift Sport Springs 08-10 SUBARU IMPREZA WRX STI GRB 4F907

Now with adjustable top hats to reduce spring misalignment

Ikeya Formula

Swift Helper Springs 70mm ID, 2.8 in length 0.8 kg/mm Pair Spec R Springs Only compatible with Alcon 2-piece70mm 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.