Swift Round Wire Helper Spring 3" ID 4" Length 40 lbs/in Upper Intercooler Pipe then professionally tig welded

then professionally tig welded

220 lbs/in

Prevents "wobbling" of the exhaust

SPL Parts Billet Lower Control/Trailing Arms Feature:

Swift Round Wire Helper Spring 3" ID 4" Length 40 lbs/in Upper Intercooler Pipe then professionally tig welded3in ID, 4 in length 40 lbs in 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.