2016-2025 Duramax LoadLifter 7500 XL Ultimate Cab & Chassis Air Spring Kit (57543)

Engineered for the Silverado 3500 and Sierra 3500 commercial chassis, this LoadLifter 7500 XL Ultimate kit delivers up to 7,500 lbs of leveling power from massive 7-inch bellows that work at lower air pressures than similar systems. It eliminates squat, trailer sway, body roll, and bottoming out while the internal jounce bumper absorbs shock and runs safely at zero PSI. Fully adjustable from 5 to 100 PSI for precise ride control. Requires 9 inches of clearance between the outside of the frame and the tire for installation.

• Up to 7,500 lbs of leveling capacity (do not exceed vehicle GVWR)
• Fully adjustable from 5 to 100 PSI for precise ride control
• Massive 7-inch bellows for more leveling power at lower pressure
• Internal jounce bumper absorbs shock and can be safely run at zero PSI
• Levels your vehicle when towing or hauling for a safe, comfortable ride
• Underframe kit designed to work with most in-bed hitches
• Requires 9 inches of clearance between the outside of the frame and the tire
• Easy to install with included instructions
• Air Lift limited lifetime warranty with a 60-day ride satisfaction guarantee

• Bellows Color: Black
• Air Lines Included: Yes
• Fittings Included: Yes
• Mounting Hardware Included: Yes

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