Universal Fitment: 2011-2023 Chevy Silverado 2500HD 3500HD, 2011-2023 GMC Sierra 2500HD 3500HD. Only work on 8-lug models 4WD.
Material: These shock extensions are constructed of high quality thickened steel, stronger and more stable than other products, will not easy to crack or break. Black powder coated, will not easy to rust.
Design: These shock extenders allow 1″- 3″ lift. Including 2 shock extender brackets, 2 bolts and 2 nuts. Direct bolt-on to the shock mounts, no need to cut or drill, easy to install.
Function: These shock extension brackets can reduce over extending pistons, make your factory shock absorber reusable and will not affect the ride experience, extend the shock absorber’s service life.