2007-2020 GMC Sierra 1500 2WD 4WD. 2007-2020 Chevrolet Silverado 1500 2WD 4WD. Our billet aluminum spacers are anodized black and installs right on top of your strut so you won't need longer shocks. The lower strut mount is laser cut with a powder coated finish to give you a total of 3" of lift with the front strut spacer.