Alpha HD Air Spring Kit for Ford F-150 (2004-2008) — PCB-HP10004

The Alpha HD Air Spring Kit for 2004-2008 Ford F-150 trucks is designed to eliminate rear-end sag and improve towing stability under load. It helps reduce sway and bottoming out when hauling trailers or heavy cargo. The system features heavy-duty double convoluted air springs with corrosion-resistant aluminum end caps and reinforced steel brackets. With up to 5,000 lbs of load leveling capacity, it improves ride height and overall vehicle control. This is one of the most commonly used F-150 air suspension upgrades for this generation.