Specifications: Install Location: Left, Right, Front, Rear Leveling Lift Height: 3" (3 inch) Rear Material of front: Billet aluminum Material of rear: Carbon Steel Color: Black Powder Coat Features: This lift kit will raise your truck by a true 3" Rear Designed to be compatible with stock / OE / factory shocks Black Powdercoat finish protects the spacers from rust/corrosion Each Piece is Hand Crafted from High Tensile Strength Carbon Steel, which outperforms the strongest aluminum Application: 1999-2007 Chevrolet Silverado 1500 2WD Only 1999-2007 GMC Sierra 1500 2WD Only .