Swift Coil-Over Helper Spring - 2.5" ID x 5.0" Tall - 4 lb. OBD-II CAN Bridge Alternative to Stainless Steel

Alternative to Stainless Steel

Eliminate the dust with the purpose built washable dry media filter with Outerwear particulate wrap

Ordinary roller valve springs will quickly succumb to resonant vibration

This product is legal only for off highway use except in California or states that have adopted California's emission standards

Swift Coil-Over Helper Spring - 2.5" ID x 5.0" Tall - 4 lb. OBD-II CAN Bridge Alternative to Stainless SteelUnlike our assist springs, our helper springs are specifically designed to have a minimal effect on the spring rate of the main coilover spring. 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. It is ideal to run helper springs on setups where you cannot preload the main spring due to height issues or when experiencing springs coming loose from the