Applications: Fit for Chevrolet Silverado 2500 HD 3500HD 2011-2019 RWD/4WD, for GMC Sierra 2500 HD / 3500HD 2011-2019 RWD/4WD. Fits single rear wheel (SRW) and dual rear wheel (DRW) models; Will fit most side mount fifth wheel hitch applications
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
Adjustability: Up to 5,000 pounds of load leveling capability, air adjustable from 5 to 100 PSI. It will depend on different road conditions to adjust, provide a safe and comfortable ride
Extra Protection: An internal jounce bumper is built inside the air spring, it can prevent damage when driving with an empty air spring and provide additional stability while towing or hauling heavy loads
Enhanced Durability: Crafted from multi-ply rubber, it ensures superior sealing and enhanced durability. With a rubber thickness of 4-4.5mm, this kit offers excellent resistance to wear and tear, preventing leaks and ensuring a long-lasting, smooth ride