Offering up to 7;500 pounds of load-leveling capacity; the new LoadLifter 7500 XL kit from Air Lift Company will make towing and hauling with your GM 2500HD/3500 (2WD and 4WD) a comfortable and stress-free experience. For frequent use; our fully-adjustable; industry-leading air springs are the perfect partner for your vehicle; eliminating any weight distribution issues that you might face. The new LoadLifter 7500 XL kit helps to eliminate problems frequently faced when towing and hauling; such as squat; poor headlight aim; trailer sway; body roll; and bottoming out through the use of massive 7-inch; double-convoluted bellows air springs. These air springs provide all the benefits of similar systems; but with the ability to do the same job at a lower air pressure; providing a more comfortable ride. With the ability to adjust the air pressure from 5-100 PSI; your GM 2500HD/3500 can be ready for any weight and any situation (NOTE: Do not exceed vehicle s GVWR). The added stability and weight-distribution provided by air springs allow you to tow and haul safely; knowing that you have optimal braking and steering control. An Air Lift exclusive; each kit comes equipped with upper and lower roll plates; added to protect the air springs from sharp edges; while increasing the load capacity by 10%. The air springs themselves are built like a tire; reinforced with 2-ply fabric for maximum strength. All of the end caps are made with an ultra high-strength nylon composite formula; strong as steel but much lighter and corrosion-proof. As the leader in air suspension products for more than 65 years; Air Lift is committed to delivering quality load support parts that fit; work and last. To ensure the highest quality; longevity; and customer satisfaction; the key suspension components; including the air springs and all hardware; have all been torture-tested to 1 million cycles on our hydraulic test rig. With a lifetime warranty and 60-Day Ride Satisfaction Guarantee – not to mention