Pac Brake ALPHA XD PRO S Air Spring Kit for 2018-2024 Chevy Silverado 4500HD 5500HD 6500HD HP10373-X-J-S

Designed for durability and performance, the ALPHA XD PRO S™ Series comes with Bump Stops and Stainless Steel Hardware, a flexible polyurethane bumper inside the bag that prevents bottoming out, which could damage your air springs, and allows you to run your bags at 0 psi when unloaded for factory ride comfort. Perfect for those that want the peace of mind of having an internal bumper and covet the ride comfort of being able to run without air when not towing. For those that desire maximum bag travel, a great benefit when offroading, towing and launching boats, or for those that constantly need to lower their rear to pick up trailers, consider our HP10373-X ALPHA XD air bag. 7,500 lbs of load leveling capacity*. *Never exceed manufacturer's recommended Gross Vehicle Weight Rating.