The Firestone Ride-Rite All-In-One air helper spring kit for 2001–2010 GM C2500HD/C3500HD provides load-leveling to reduce squat and maintain proper ride height under load. This wireless kit includes Ride-Rite rear springs, a standard-duty compressor, ECU and a no-drill mounting plate for easier installation. Bluetooth app control with pairing, two memory presets, a 5–100 PSI range and up to 5,000 lb load-leveling capacity deliver convenient on-the-fly pressure adjustment and monitoring.
Firestone 01-10 GM C2500HD/C3500HD AIO Wireless Ride-Rite All-In-One Kit (W217602870)