air lift 21-22 f-150 powerboost loadlifter 5000 ultimate air spring kit w/ internal jounce bumper 88389

Adjustable air springs from 5-100 psi, with up to 5,000 lbs of leveling capacity* Levels your vehicle when towing or hauling a heavy load for a safe, comfortable ride Eliminates vehicle sag and bottoming out Easy to install with included instructions Under frame kit designed to work with most in-bed hitches** No frame drilling required** Internal jounce bumper absorbs shock and can be safely ran with zero psi*** Features Air Lift’s Limited Lifetime Warranty and 60 Day Ride Satisfaction Guarantee **Frame drilling required for installation with a frame-side mounted hitch. ***Maintain minimum air pressure for the ultimate ride comfort