Now with adjustable top hats to reduce spring misalignment
Ikeya Formula
Only compatible with Alcon 2-piece disc assembly for BMW F80 M3
The stock eccentric bolts provided by Nissan and Infiniti for small camber/toe adjustments tend to slip under high cornering loads
Copy of Swift Sport Springs 08-10 SUBARU IMPREZA WRX STI GRB 4F907
Swift Helper Springs 70mm ID, 2.8 in length 0.8 kg/mm Pair Spec R Springs Now with adjustable top hats70mm 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.