Pacbrake HP10171-X-J Alpha XD Pro 7500 Air Spring Kit for 2011-2019 Silverado/Sierra 2500HD/3500HD

The Pacbrake HP10171-X-J Alpha XD Pro 7500 Air Spring Kit is built for heavy-duty towing and maximum suspension performance on 2011-2019 Silverado and Sierra HD trucks. This premium air suspension system combines oversized 7-inch air springs with integrated internal jounce bumpers for superior ride comfort and bottom-out protection. Delivering up to 7,500 lbs of load leveling capacity, it helps maintain proper ride height and vehicle control under extreme towing conditions. The corrosion-resistant brackets and commercial-grade components are engineered for long-term reliability and durability. Ideal for towing large fifth wheels, heavy trailers, and commercial equipment, this kit improves stability, handling, and driver confidence under load.