Kit - 4-Link Rear - Stock Height - 4-7/8 Wide x 5-1/2 Tall Axle - 1-1/2 Heavy Duty Sway Bar

This Kelderman 4-link rear air suspension system enhances ride quality and load capacity for Silverado 4500/5500/6500 chassis cab trucks. It replaces factory leaf springs with four air bags (two per side) for a smoother ride and better control. The kit includes four adjustable trailing arms for axle centering, an adjustable Panhard bar, trailing arm supports, upper and lower mounting plates, a rear cross member, rear sway bar, sway bar end links, axle clamps, air lines, fittings, and Schrader valve inflators for manual inflation. Optional self-leveling air drive packages with an integrated air compressor, air receiver, height adjustment valves, pressure relief valves, air dryer, and in-cabin controls allow automatic adjustment to vehicle weight, ride height maintenance, or lowering by 3.5-4 inches. The kit is available in textured matte black, glossy black, or red.