Air Lift Load Lifter 5000, The Air Lift is used to increase the load on the rear axle or to regulate the level when there is a heavy load or when towing a trailer. The air bellows are conveniently filled from one place with a standard compressed air compressor using the distribution lines included in the scope of delivery. The system is designed for a maximum increase in payload of 5000LBS (2250Kg) at a maximum pressure of 2.4 bar. The additional air bellows support the existing chassis. They do NOT increase the allowable overall dimensions. suitable for Dodge Ram 1500, model year 2011-2018 (Dodge Ram 1500 Classic 2019-2023)