Pacbrake Alpha HD PRO Air Suspension 2011-16 Ford F250/F350 (2WD/4WD) & 2011-14 Ford F450 (2WD/4WD)

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.