airmaxxx Rear Tow Assist Kit Onboard Air Fits 2011-2017 Silverado/Sierra 2500/3500 8-Lug

Heavy-Duty Support with Onboard Air

The airmaxxx Rear Air Load Level Bolt-On Kit is built for 2011–2017 Silverado/Sierra 2500 & 3500 8-lug trucks at stock height. This system adds up to 5,000 lbs of leveling capacity, reducing squat, stabilizing your truck, and improving ride comfort when towing or hauling.

With onboard air control included, you can easily adjust pressure whenever you need—no external compressor required. Designed with a direct bolt-on fit, this kit installs cleanly with no cutting or welding.

Why Choose This Kit

• Load Leveling Air Bags – Provides 5,000 lbs of added support for towing heavy loads.

• Onboard Air Control – Adjust bag pressure from inside the cab for convenience.

• Bolt-On Install – Direct-fit brackets for quick, no-weld installation.

• Improved Ride – Reduces sway, keeps suspension geometry correct, and adds comfort.

Fitment

• 2011–2017 Chevy Silverado 2500/3500
  (8-lug, stock height)

• 2011–2017 GMC Sierra 2500/3500
  (8-lug, stock height)

• Excludes trucks equipped with a rear sway bar

Important Note

Always follow manufacturer towing and load guidelines. Never exceed maximum GVWR.