Manufactured by Pac Brake | HP10005-J | 2001-2010 Silverado/Sierra 2500 HD/3500 HD Alpha HD Rear Air Overload Kit (with Jounce Bumper), SIERRA / SILVERADO 2500HD (2WD/4WD), Eliminate truck sag, sway and bottoming out with ALPHA HD PROTM air bags / air helper springs from Pacbrake, the only brand with inch-thick corrosion resistant end caps and 20 support wires for maximum strength and durability. Designed for durability and performance, the ALPHA HD PROTM Series comes with Jounce Bumpers/Bump Stops, 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. 5,000 lbs of load leveling capacity Product information updated on 2025-03-24. This product can ship by Small Parcel
