Air Lift LoadLifter 7500 Air Springs w/ WirelessONE EZ Compressor Kit for F-350. LoadLifter 7500 XL Ultimate Air Spring Kit and WirelessONE Air Compressor System with EZ Mount for Ford F-350 Super Duty. LoadLifter 7500 XL Ultimate Air Spring Kit. The LoadLifter 7500 XL Ultimate offers up to 7,500 lbs. Of load-leveling capacity, designed to support the most demanding loads. With the 7500 XL, level the load with less pressure and better ride quality. Get full-time support while you level your vehicle, improve braking and ride comfort, and reduce the strain on factory suspension. Up to 7,500 lbs. Eliminates squat, trailer sway, rough ride and bottoming out. Fits many 3/4 ton and 1 ton pickups and vans. Internal jounce bumper absorbs shock and can be safely ran with zero psi. Application Type: Rear Kit. Replacement Air Spring: 50236. Does not fit commercial chassis. Fits Dual Rear Models only. WirelessONE With EZ Mount. WirelessOne is a single-path, wireless control system including a standard-duty compressor. Air springs are controlled with the wireless controller or a compatible smartphone, and our free app is programmable with up to three user-defined presets. WirelessOne + EZ Mount features our EZ Mount, allowing for a cleaner, quicker install. WirelessOne Tank + EZ Mount has a 2-gallon auxiliary air tank for quicker air spring inflation and less compressor cycling. The WirelessOne Tank System upgrade kit perfectly enhances an existing WirelessOne single-path system with a 444c air compressor and a 2-gallon auxiliary air tank. Single-path control: Left and right air springs are inflated/deflated equally. Wireless handheld unit and NEW mobile app for convenient operation inside or outside the vehicle. Easy installation – no air lines to the cab! Three programmable, user-defined memory settings. Includes EZ Mount installation bracket with upgraded compressor. This application is a universal fit and may not work with all vehicles. This product features both a frame thru bolt and self tapping screw option, allowing flexibility of placement and how it is mounted to the vehicle.