2001-2010 Chevy Silverado 3500HD Extended Length Pro Comp Shocks 4WD 4x4

2x Front ProComp Extended Shocks 2x Rear ProComp Extended Shocks Installation Instructions Supreme Suspensions is proud to carry Pro Comp’s upgraded shock series to replace your factory shocks when you install your lift kit. These are top of the line Nitrogen charged shocks that are engineered with performance in mind. They are a twin-tube construction with a hardened piston rod vs. the factory single tube construction and contain a 10-stage velocity sensitive valving which provides amazing comfort AND toughness. We guarantee you will notice the difference in performance over your factory shocks.