Rough Country 1303 - 2.5-inch Suspension Leveling Lift Kit for Chevrolet: Silverado 1500 4WD/2WD; GMC: Sierra 1500 4WD/2WD Maintains factory ride quality Increased ground clearance Fabricated blocks offer a longer lifespan than cast blocks. 100% simple bolt-on installation No need to disassemble your struts to install