Godspeed Traction-S Lowering Springs Godspeed Traction-S performance lowering springs are cold wound with SAE 9254 steel, one of ideal material to product coil spring. Designed to work with OEM or aftermarket performance shocks in order to produce the suitable ride for the street or track. Perfect for enthusiast whos looking to lower their vehicle while maintain maximum comfort. Multi Heat Treated SAE 9254 Wire, Cold Wound To Prevent Sag Overtime; Powder Coat Finished For Corrosion Protection Designed To Work With OEM Shocks, Better With Aftermarket High Performance Shocks; Lowered While Maintain Ride Comfort