AIR-RIDE FOR GMC 4500/5500
The air-ride suspension kits for GMC 4500 and 5500 trucks from Kelderman Manufacturing are bolt-on affairs. Designed with an electronic automatic height control unit with an air dump feature, Kelderman’s kit features parallel trailing arms to eliminate axle twist and minimizes pinion-angle movement, transferring power to the ground for a more stable, comfortable ride. The factory sway bar is not removed. Kelderman uses quality Firestone air bags and provides everything required including wiring harness, bolts, hardware and easy-to-read instructions, making this a do-it-yourself project. A tech department is available Monday through Friday to assist with installation. Call 800-334-6150
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