Manufactured by Air lift | 89355 | 2021-23 F150 2wd and 4wd Airlift LoadLifter 5000 Ultimate PLus, Does Not fit Powerboost models. All the benefits of the LoadLifter 5000 series with the addition of an internal bumpstop in the bags and stainless steel air lines., 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 2023-08-21