Swift Helper Springs 70mm ID, 2.8 in length 0.8 kg/mm Pair Spec R Springs -Finished off with twin 80mm

-Finished off with twin 80mm dual wall tips

SPL Parts PRO Solid Aluminum Differential Mounting Bushings (SDB) eliminate the stock mushy rubber bushings on the differential pumpkin when adapting J30

Now with adjustable top hats to reduce spring misalignment

S-Groove Motorsport face type

Swift Helper Springs 70mm ID, 2.8 in length 0.8 kg/mm Pair Spec R Springs -Finished off with twin 80mm70mm 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.