Firestone Ride-Rite rear air helper spring kit for Chevy/GMC HD 2500/3500 adds adjustable air support to maximize safe load-carrying capacity, stability and ride quality. The kit includes springs, brackets, hardware, air line and individual inflation valves for side-to-side or front-to-rear adjustment. Most kits install using factory holes with no drilling and include a two-year limited warranty.
Firestone Ride-Rite Air Helper Spring Kit Rear Chevy/GMC HD 2500/3500 (W217602613)