Pro Comp’s Pro Runner SS is engineered for late model trucks & SUVs with coilover strut-style, independent front suspensions. This unique design features Pro Comp’s patent pending 180°SS™ height adjustable collar. The collar allows you the option of raising the front of your vehicle up to 2 inches to clear 33 inch tires, or keeping your rig at the factory ride height. The Pro Comp Pro Runner SS™ Ride Height Adjustable Shock will deliver the perfect ride and off-road style you’re looking for. Note: Retains Factory Coil Spring, Coil spring not included.