Swift Round Wire Helper Spring 3" ID, 4" Length, 400 lbs/in gasket -Easily install for weekend use

-Easily install for weekend use or for install at the track

4 inch length

Polished aluminum

160 lbs/in Barrel Type

8 in length 0

Swift Round Wire Helper Spring 3" ID, 4" Length, 400 lbs/in gasket -Easily install for weekend use3in ID, 4 in length 400 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.