Specifications: Install Location: Front + Rear Lift Height: 2.5" (2.5 inch) Front + 1" (1 inch) Rear Material of front: Billet aluminum Material of rear: Carbon Steel Color: Black Features: The lift kit will raise your truck by a true 2.5" in the front and 1" in the 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: Chevrolet Silverado 1500 2007-2023 2WD 4WD GMC Sierra 1500 2007-2023 2WD 4WD .