Stage 2 system featuring Pro-Truck-Coilover 2.0's + Rear Sport Shocks + Pro-Lift-Kit Springs. Front Adjustable Threaded Spring Perch to Accommodate Increased Loads and Maximum Clearance. ERO Off-Road Race Spring Equipped and Compatible. Anodized 6061-T6 Billet Aluminum Coilover Mounts 46mm Piston Monotube Design with Nitrogen Filled Variable Force Valving. Individually Dyno Tested for Matched Performance and Reliability. Heavy Duty Bushing System also Cycle Tested.