[Specifications] Lift Height 3" Front & 2" Rear Material Steel [Compatible with the Following Vehicles] For 2001-2010 Chevrolet Silverado 1500HD/ 2500HD/ 3500HD For 2001-2010 GMC Sierra 1500HD/ 2500HD/ 3500HD [Product Features] 1. Give the vehicle a more even stance to enhance its appearance. 2. Offer extra ground clearance to enable the use of larger tires & wheels. 3. No cutting or welding is required. [Important Note] This kit will raise the front of your car by 3 inches, raise the rear of your car by 2 inches .