The Firestone Sport-Rite rear air helper spring kit adds adjustable air springs between frame and suspension to improve ride quality when unloaded and increase load-carrying capacity when needed, rated to assist with up to approximately 3,000 lbs per set. Some drilling is required for installation. Includes brackets, air springs, hardware, air line and inflation valves to help maintain level stance, reduce bottoming out, and improve vehicle stability under load.
Firestone Sport-Rite Air Helper Spring Kit Rear 99-05 Chevy 1500 No HD/97-04 Ford F-150 (W217602320)