Take control of heavy-duty hauling and towing demands with the Pacbrake ALPHA HD Rear Air Suspension HP10005. Designed to reduce truck sag, sway, and bottoming out, this air helper spring system provides enhanced support for Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD models from 2001-2010. Built with durable components and up to 5, 000 lbs of load-leveling capacity, the ALPHA HD series helps improve stability while carrying heavy loads or towing trailers. With a bolt-on installation design and corrosion-resistant construction, this suspension upgrade delivers dependable performance. Features:• Provides up to 5, 000 lbs of load-leveling capacity• Helps reduce sag, sway, and suspension bottoming• Designed for heavy-duty towing and hauling applications• Features corrosion-resistant end caps for added durability• Includes bolt-on installation components• Supports DIY-friendly installation with included guideSpecs:• Product Name: Pacbrake ALPHA HD Rear Air Suspension HP10005• Part Number: HP10005• Compatible Vehicles: 2001-2010 Chevrolet Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD• Vehicle Drive Type: 2WD and 4WD• Suspension Type: Rear air helper springs• Maximum Load Capacity: 5, 000 lbs• Spring Style: Double convoluted air springs• Kit Contents: 2 air springs, roll plates, powder-coated steel brackets, Grade 5 plated hardware, installation guide Bolt-on installation 5, 000 lbs load support Reduces truck sag | ALPHA HD Rear Air Suspension 2001-10 Silverado/Sierra, HP10005