Increase suspension performance with adjustable Ride Rite air helper springs. Ride Rite air helper springs supplement a vehicle's standard suspension and can be adjusted as needed for changing load, towing, and/or road conditions. By easily inflating or deflating (0 to 100 p. s. I. ), the proper balance and level of a vehicle can be maintained to provide smooth, safe travel. Designed specifically for Ford: 2009-2012, F-150.