2000 - 2006 Yukon Lift Kit 1500 4WD Adjustable 1 to 3 Inch Front 3 Inch Rear BIG BRAWNS Torsion Bar Lift Keys High-Crystalline NON-COMPRESSION Delrin Spring Spacers and Shock Extenders This Product fits the following models: 2000-2006 GMC Yukon 1500 4WD This kit comes with (2x) Front Steel Torsion Keys, (2x) Rear Delrin Lift Spacers, (2x) Steel Shock Extensions and Installation Instructions Designed to raise the front of your truck 1 to 3 inches and the rear 3 inches over stock without overextending the stock front shocks Incomparable stiffness without compromising the factory ride quality Big Brawns Bolt-on kits will improve the look and feel of your truck without cutting or welding! All you need are basic hand tools, a jack and stands for safety