1999-2007(Classic) GMC Sierra 1500 Full Extended Length Pro Comp Shocks 2WD 4WD2x 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

We’ve specially engineered our shock extenders to provide our customers with the option to reuse the vehicle’s factory shock absorbers to avoid the need to purchase aftermarket extended shocks

Fast and safe installation or removal of coil springs

2x Sway Bar Drop Brackets

2x Front Lift Coil Spacers

2x Front Carbon Steel Lift Spacers

25" rear axle

and utilize raised grip steps to help keep all components secured in place

Includes complete set of High-Strength Installation Hardware

2x Stud Extenders

* Will NOT Fit models equipped with Front Solid Axle or Air Suspension System

(4x) Vibration Poly Isolator Pads

5" Front Spacer Will Not Fit Rock Warrior Models