Firestone Ride-Rite Air Helper Spring Kit Rear Forde 11-16 F250/F350 11-13 F450 2WD/4WD (W217602597)

Firestone Ride-Rite 2597 Ride-Rite Air Helper Springs - Ford F250/F350 (11-16) F450 (11-13): 2597.Firestone's most popular and comprehensive air helper spring line Ride-Rite kits can be installed on most light trucks motor-homes RVs SUVs and vans. Each application is specifically designed to maximize the vehicle's safe load-carrying capacity stability ride quality and brake effectiveness. Firestone Ride-Rite air helper springs provide load support through the use of air pressure that can be adjusted for changing loads. They enhance the ride by reducing inter-leaf friction. The system features individual inflation valves that allow for separate side-to-side or front-to-rear adjustment which helps keep the vehicle level when carrying off-center loads and maintains ride quality under differing load conditions. Most Ride-Rite kits are no-drill systems designed to use the vehicle's factory holes and mount between its frame and suspension. All the components are included in the kit f