PacBrake HP10171-J Alpha Pro HD Rear Air Suspension | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

Features: - Eliminates truck sag - Adds Comfort and Control while towing - Durable long-lasting construction - Prevents suspension from bottoming out - Installs in 2 1/2 hours - No cutting for installation - 5000Ibs of load leveling capacity - Allows use at 0 PSI for factory ride comfort - Limited Lifetime Warranty Fix Rear End Squat and Add Comfort and Control PacBrake's Alpha HD Pro Rear Air Suspension Kit ensures a secure and comfortable ride while eradicating the embarrassing truck squat for your 2011-2019 GM 2500HD/3500HD. This kit effectively addresses truck sway, suspension sag, and bottoming out, significantly improving drivability during heavy-duty tasks. Equipped with Jounce Bump Stops to prevent bottoming out, the air bags can operate at 0 psi, preserving the factory ride quality when not towing. PacBrake has your back with their Alpha Pro HD Rear Air Suspension, providing the confidence you need for the toughest jobs. Heavy-Duty Long-Lasting Components The PacBrake Alpha Pro HD Rear Air Suspension is designed to handle heavy-duty tasks and endure harsh conditions. Featuring Air Springs with robust single-piece aluminum inch-thick end caps, these components are resistant to rust and leaks, maintaining reliability even in cold weather. In contrast, competitors' Air Springs often use plastic end caps prone to cracking and leaking air, along with thin bags susceptible to leaks. PacBrake reinforces their Air Bags with 20 support wires to prevent blowouts. Built with high-quality components, the PacBrake Alpha Pro HD Rear Air Suspension is built to last and can be counted on for heavy duty tasks. Fits: 2011-2019 GM 2500HD/3500HD Application Notes: - For all trucks including those with 5th wheel hitches. Not for commercial cab and chassis trucks. - Will not fit models equipped with MagneRide - Trail Boss & AT4 models may require a 2" Air Spring Spacer (HP10152) [Installation Instructions] Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit [www.P65warnings.ca.gov]