Air Lift Ridecontrol Air Spring Kit for use with leaf springsRideControl provides more safety, stability and ride comfort. The kit fits many popular vehicles with leaf springs, including half ton and mini pickups, full size and mini vans, and SUVs. Both front and rear applications are available for these vehicles. Each kit includes everything you need, and is easily installed in two hours or less. End caps are made of an ultra strong nylon composite that is as strong as steel, but weighs less and is corrosion