The LoadLifter 7500 XL Ultimate offers support for the heaviest tows with an internal jounce bumper absorbing shock for the smoothest ride. Air Lift’s fully adjustable industry-leading air springs are the perfect upgrade for your vehicle eliminating any issues you might face when towing and hauling. The LoadLifter 7500 XL Ultimate kit from Air Lift will give you the ability to drive select RAM 2500 four-wheel drive and select RAM 3500 four-wheel drive with added safety and comfort. Designed with an internal jounce bumper the kit offers greater leveling strength for your ride at lower pressures. The kit’s 7-inch double-bellows air springs provide up to 7 500 lbs. of load-leveling capacity and help eliminate squat trailer sway body roll and bottoming out keeping your cargo safe and secure while also ensuring a more comfortable ride. The closed-cell urethane foam jounce bumper inside the air spring provides a cushion of air that absorbs shock eliminates harsh jarring on rough roads and protects vehicles carrying heavy loads. An Air Lift exclusive the kit features upper and lower roll plates for added protection. All end caps are made with an ultra-high-strength nylon composite formula strong as steel but much lighter and corrosion-proof. The air springs are built like tires reinforced with 2-ply fabric for maximum strength. With the added stability that air springs provide you can haul safely knowing that you have optimal braking and steering control. The LoadLifter 7500 XL Ultimate has up to 20% more air spring volume when compared to Air Lift’s LoadLifter 5000 series. The LoadLifter 7500 XL Ultimate’s air springs are maintenance-free can run safely on zero air pressure and are fully adjustable from 5-100 PSI for precise control. Do not exceed the vehicle's gross vehicle weight rating (GVWR).