Up to 5000 lbs. of Leveling Capacity,Uses 2-Ply Fabric Reinforced Air Springs,Air Adjustable from 5 to 100 psi,Quick Connect Easy-To-Use Polymer Air Fittings,Reinforced Air Bellows For Long Lasting Strength,Vehicle Specific Illustrated Installation Manuals,Limited Lifetime Warranty
Fits 2011 to 2013 GM 2500 and 3500 
LoadLifter 5000 
Leaf Spring Leveling Kit
Rear
Installation Time- 1.5 Hour Or Less

Air Lift adjustable air helper springs level your load, and give your truck, van, or SUV a safer, more comfortable ride. Air springs are easy to install between your existing springs and the vehicle frame. Just add air when towing or hauling a heavy load, and reduce air pressure when unloaded; they are fully adjustable for a great ride. Air Lift air springs eliminate sag, sway, and bottoming out. They are made with rugged, durable components for long, reliable service. LoadLifter 5000 kits are Air Lift’s heaviest-rated kits for hauling or towing heavy loads. They have up to 5,000 pounds of leveling capacity, right up to the manufacturer’s recommended gross vehicle weight rating, and are air adjustable from 5 to 100 PSI. LoadLifter 5000 kits fit such popular vehicles as 3/4 ton and one-ton pickup trucks, many class A, B and C motor homes, and commercial trucks and other severe uses. They also come standard with a limited lifetime warranty and an exclusive 60 day ride satisfaction guarantee.