The PacBrake Alpha HD Pro Air Spring Kit is engineered specifically for Ford Superduty F250, F350, F450, trucks to eliminate sag, sway, and bottoming out. PacBrake’s Alpha HD Pro air springs are built for exceptional durability, featuring inch-thick corrosion-resistant end caps and bags with 20 support wires for unmatched strength. Equipped with internal Jounce Bumpers/Bump Stops made of flexible polyurethane, these bumpers prevent bottoming out, which protects your air springs and allows you to run your bags at 0 psi when unloaded, maintaining factory ride comfort.
Designed to support up to 5,000 lbs. of load, this kit is ideal for heavy-duty towing and hauling. You’ll enjoy peace of mind knowing the internal bumpers enable you to run without air when not towing, keeping ride comfort intact. For those needing maximum bag travel for off-roading, boat launching, or frequent trailer hookup, this kit is perfect for Superduty owners seeking maximum load support, superior durability, and a comfortable, factory-like ride quality when not towing.