air lift 2021-2022 f-150 powerboost 2wd/4wd loadlifter 5000 air spring kit 57389

Up to 5,000 lbs of leveling capacity* Air springs fully adjustable from 5-100 PSI for precise control Levels your vehicle when towing or hauling a heavy load for a safe, comfortable ride Eliminates sag and bottoming out Easy to install with included instructions Underframe kit designed to work with most in-bed hitches** No frame drilling required** Features Air Lift’s Limited Lifetime Warranty, with a 60 Day Ride Satisfaction Guarantee *Do not exceed vehicle’s gross vehicle weight rating (GVWR) **Frame drilling required for installation with a frame-side mounted hitch.