Read more 2" REAR LIFT LEVELING KIT Enhance the look of your vehicle and run larger tires with Supreme Suspension's rear lift kit. Developed and rigorously trialed by in-house ASE specialists, this set of add-a-leafs is manufactured from Heat Treated & Tempered High Strength Spring Steel. Each leaf spring is flex powder coated to prevent cracking, corrosion and rust and includes vibration poly isolator pads for quiet and smooth ride. Our Add-A-Leafs are designed to improve the common factory leaf sag caused by heavy loads and also enhance vehicle spring rate and reliability when towing. If you’re looking to level the stance of your truck, fit larger wheels and tires or pick up some ground clearance out on the trails, we have a kit tailored specifically to your truck and your needs. FITMENT 1999 - 2007 (Classic) GMC Sierra 1500 (2WD 4WD) - 6-Lug Model Only 2007 - 2020 GMC Sierra 1500 (2WD 4WD) Read more TECHNICAL NOTES Rear Lift: 1.5 - 2 Inches Leaf Specifications: 2.5" Wide, 36.5" Top Length, 37.5" Curved Length *The overall Lift Height Achieved is influenced by your truck's spring pack condition. No special tools are required to mount this "bolt-on" kit After an easy 1-2 hour installation process*, you're ready to feature your new and improved ride! An alignment is recommended after install. CONTENTS (2x) High-Strength Carbon Steel Add-A-Leafs (4x) Vibration Poly Isolator Pads Installation Hardware Installation Instructions Supreme Suspensions Pro Pack BENEFITS Level the rear end of your vehicle Maintain factory ride quality Increase load and towing capacity Minimize squat or sag under heavy load Increase ground clearance Install larger custom rims & tires Improve the look of your vehicle Read more SUPERIOR STRENGTH Every kit we sell is shipped with all the necessary installation hardware to achieve a solid, lasting fitment without any surprise trips to the auto parts store. To give you even more peace of mind, we have a staff of ASE technicians on call if you have any questions or concerns regarding your lift kit or installation procedures. SIMPLE INSTALLATION Our leveling kits are designed to be installed without any specialty tools. Each kit includes a detailed instruction manual to walk you through the installation process. No disassembling required, just bolt on and go with a basic hand tool set. We do strongly recommend performing an alignment after altering the suspension of your vehicle. HIGH-GRADE HARDWARE Every kit we sell is shipped with all the necessary installation hardware to achieve a solid, lasting fitment without any surprise trips to the auto parts store. IMPROVED LOOK AND PERFORMANCE Supreme Suspensions Rear Add-a-Leafs are engineered to raise the factory rake of your vehicle, enhancing its look and providing a more aggressive profile. With the increased ground clearance, a casual day on the trail will become less frustrating and more enjoyable. (function(f) {var _np=(window.P._namespace("AplusModule"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) { // register javascript with unique module id P.when("jQuery", "AplusModules-module-6", "ready").execute(function($, hoverModule) { hoverModule("aplus-module-6-3"); }); }));