Liftcraft - 2000-2010 Silverado 1500HD 2500HD 3500HD Lift Kit 2 Inch Rear Aircraft Billet Blocks Rear Lift for 8-Lug Chevrolet 2WD 4WD LIFT: 2 inch rear lift over stock FITMENT: 2001 - 2010 Chevrolet Silverado 1500HD, 2000 - 2010 Chevrolet Silverado 2500HD and 3500HD 2WD + 4WD models | NOTE: Will Fit 8-Lug Models Only MATERIAL: Premium 6061T6 aircraft aluminum with ideal strength and weight INSTALLATION: Bolt-on kit, only takes a few hours to install. Extended U-Bolts are required. CONTENTS: Aluminum Lift Blocks (2), Detailed Instructions - Liftcraft suspension lift and leveling kits come with a lifetime guarantee and are the easiest, safest, and most affordable way to improve the look of your truck and run bigger tires