The Firestone RED Label Ride-Rite extreme duty rear air spring kit for 2003–2013 Dodge Ram 2500/3500 (2WD/4WD) is designed with commercial-grade rubber and components to support heavier loads and improve braking and handling under severe conditions. The kit includes brackets, air helper springs, hardware, air line and inflation valves, supports up to 7,500 lbs of load-leveling capacity and can operate up to 150 PSI.
Firestone Ride-Rite RED Label Ex Duty Air Spring Kit Rear 03-13 Dodge RAM 2500 2WD/4WD (W217602701)