Air Lift 57275 LoadLifter 5000 Series Rear Air Spring Kit Fully adjustable air springs level your vehicle when towing or hauling a heavy load for a safe comfortable ride Eliminate sag and bottoming out. More even tire wear: when weight is evenly distributed to all four tires, tires wear more evenly Rugged durable components including air springs and all hardware Easy to install with included instructions. Fits many 3/4 ton and 1 ton pickups and vans Up to 5000 pounds of leveling capacity; 14.5 x 11.25 x 9.5 inches.Fits single rear wheel (SRW) and dual rear wheel (DRW) models Fits <span class="a-text-bold">2001-2010 Chevrolet Silverado 2500 &amp; 3500 (RWD &amp; 4WD)</span> pickups Fits <span class="a-text-bold">2001-2010 GMC Sierra 2500 &amp; 3500 (RWD &amp; 4WD)</span> pickups <span class="a-text-bold">Roll plates</span> protect the air springs from possible abrasion and increase load capacity up to 10% Offers a <span class="a-text-bold">no-drill</span> installation Compatible with <span class="a-text-bold">5th-wheel and gooseneck hitches</span>