Application: Air suspension kit fit for Chevrolet Silverado 1500 4WD 1999-2006; for GMC Sierra 1500 4WD 1999-2006; for Chevrolet Silverado Classic 1500 4WD 2007. Stability and Comfort: Air helper spring kit provides extra stability and improved handling while hauling and towing by reducing wear and tear, eliminating squat, reducing trailer sway and eliminate bottoming out.
