This kit is still one of our top selling kits for full size SUVs. The Performance Accessories 123 Body Lift Kit is the most popular method to raise Chevrolet and GMC SUVs by providing three-inches of additional lift and allowing the use of up to 33-inch diameter tires (285/75R16). This kit includes all the necessary components to raise the vehicle in 6 to 7 hours. Comes with high pressure fiberglass reinforced nylon lift blocks, 3/16 inch thick laser cut and powder coated front bumper relocation/support brackets, a CNC machined and zinc plated steering extension, high strength hardware, radiator fan shroud spacers and fuel filler extension. A set of urethane wheel-well extensions (Gap-Guards 2wd & 4wd PN-6533) are available separately, and are used to conceal any gaps between the body and frame in the wheel wells. For the rear bumper area a one piece rear bumper urethane Gap-Guard is available separately (Rear Bumper Gap-Guard PN-6522) and is used to conceal the gap between the tailgate and the rear bumper. Additional Information: Fiberglass reinforced nylon body blocks CNC machined & zinc plated steering extension Laser cut and powder coated relocation brackets Laser cut and zinc plated fittings and brackets High strength fastener kits.