Manufactured by Pac Brake | HP10373-X | 2018-2024 Chevy Silverado 4500HD/5500HD (2WD/4WD) Alpha HD X-Series Rear Air Overload Kit, SILVERADO 4500HD (2WD/4WD) CAB & CHASSIS RATED UP TO 7500lbs, 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. Our ALPHA XD 7500 bags are perfect for those towing/hauling big loads on a regular basis. Alpha XD 7500 Air Springs by Pacbrake are the only extreme-duty air springs on the market with one-piece aluminum end caps and 20 support wires giving you maximum strength and durability. Rated for up to 7500 lbs. of load-leveling capacity*, Alpha XD 7500 is ideally suited for those towing/hauling big loads on a regular basis. The big 7-inch double convoluted bellow type air springs level your truck's stance while providing added support for an overall smooth and safe ride. Product information updated on 2025-03-24. This product can ship by Courier
