The Firestone Ride-Rite rear air helper spring kit for 2008–2010 Ford F-450 (2WD/4WD) supplies adjustable air support to boost load capacity, vehicle stability and ride comfort. Its air springs reduce inter-leaf friction and help prevent bottoming out. The kit ships with brackets, hardware, air line and inflation valves for side-to-side or front-to-rear adjustment. Most Ride-Rite kits are designed to install using factory holes, with installation typically taking 1–2 hours; a two-year limited warranty is included.
Firestone Ride-Rite Air Helper Spring Kit Rear 08-10 Ford F450 2WD/4WD (W217602446)