Manufactured by Air lift | 57275 | 2001-10 GM 2500HD/3500 trucks AirLift Load Lifter 5000 Series, Fits single rear wheel (SRW) and dual rear wheel (DRW) models. Will fit most side mount fifth wheel hitch applications. Does not fit cab & chassis applications. Does not fit Quadrasteer applications., Level your load, like you mean it. Level your massive loads in safety and comfort. Up to 5,000 lbs. load-leveling capacity* Fits 1/2-, 3/4-, and 1-ton pickups and vans with leaf springs Roll plates protect the air springs from possible abrasion and increase load capacity up to 10 percent Most popular kits offer no-drill installation Kit includes; 2 air springs All necessary mounting brackets All of the hardware needed for installation Fully-illustrated installation guide Product information updated on 2023-03-15