Whether it is towing or 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. Does not fit cab & chassis applications.