Fits: 2011 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel

Enhance your truck's performance and stability with ALPHA HD PRO air bags/air helper springs from Pacbrake, distinguished by inch-thick corrosion-resistant end caps and 20 support wires for unparalleled strength and durability.

The ALPHA HD PRO Series is engineered for endurance and optimal functionality, featuring Jounce Bumpers/Bump Stops. These flexible polyurethane bumpers inside the bag prevent bottoming out, safeguarding your air springs from potential damage. Moreover, they enable you to operate your bags at 0 psi when unloaded, ensuring factory ride comfort.

Designed for those seeking reliability and comfort, the ALPHA HD PRO Series is an ideal choice. Whether you prioritize peace of mind, ride comfort without load, or require maximum bag travel for various applications such as offroading, towing, launching boats, or frequent rear adjustments for trailer pickup, these air bags deliver exceptional performance.

For maximum bag travel and versatility, consider our HP10171 ALPHA HD air bag, boasting 5,000 lbs of load leveling capacity*.

*Please adhere to the manufacturer's recommended Gross Vehicle Weight Rating to ensure safe operation and performance

Features: 

• Built for durability and performance 
• Max load leveling capacity: 5,000 lbs
• Ideal for towing or hauling 
• Some modifications are needed
• Doubled convoluted design
• Limited lifetime warranty

Includes: 

• 2 air springs
• Corrosion resistant roll plates
• Precision laser cut powder coated steel brackets
• Grade 5 plated hardware
• All accessories required for the perfect bolt on install
• Comprehensive installation guide

Notes: 

• Never exceed manufacturer's recommended Gross Vehicle Weight Rating
• Not for commercial chassis cabs

Install Instructions