2001-2010 GMC Sierra 1500HD Extended Length Pro Comp Shocks 4WD 4x42x Front ProComp Extended Shocks 2x Rear ProComp Extended Shocks Installation Instructions Supreme Suspensions is proud to carry Pro Comps 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

Stud Size: M12 x 1

2x Rear Spyder Fender Flares

Our lift spacers are constructed from Delrin due to its high crystalline composition to provide superior strength along with enough flex to maintain your stock ride quality

This track bar will never fail

2x Differential Shims Kit

our shock extenders are precision machined using the optimal material blend

The front and rear lifts are machined from 6061-T6 aircraft aluminum

2x Rear Lower Control Arms

the Delrin in our kits will not dry up and deteriorate like polyurethane will over time

while still maintaining a factory like ride quality

EDM formed Molds Ensure Consistent Dimensions

control arms