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HP10340-J Pacbrake Alpha HD Pro Rear Air Suspension Kit - GMC Sierra 1500 - 2019-2024

SKU: HP10340-J
Référence fabricant: HP10340-J
Fabricant: PacBrake
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.

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Spécifications produits



Designed for durability and performance, the ALPHA HD PROTM Series comes with Jounce Bumpers/Bump Stops, a flexible polyurethane bumper inside the bag that prevents bottoming out, which could damage your air springs, and allows you to run your bags at 0 psi when unloaded for factory ride comfort.

Perfect for those that want the peace of mind of having an internal bumper and covet the ride comfort of being able to run without air when not towing.

For those that desire maximum bag travel, a great benefit when offroading, towing and launching boats, or for those that constantly need to lower their rear to pick up trailers, consider our HP10340 ALPHA HD air bag.

5,000 lbs of load leveling capacity*

* Never exceed manufacturer's recommended Gross Vehicle Weight Rating.


  • 2019-2024 Chevrolet Silverado/GMC Sierra 1500 (2WD/4WD)


For all truck bed lengths. Will not fit models equipped with Adaptive Ride Control. AT4/Trail Boss - requires 2" spacer.