The Air Lift 57538 LoadLifter 7500XL Helper Spring Kit offers extreme load leveling capabilities for your 2011-2019 GM Silverado/Sierra 2500HD/3500HD 4WD. The LoadLifter 7500XL is Air Lift's heaviest rated air spring kit built to provide 7500 pounds of load leveling capacity for those truck owners that tow or haul heavy loads like slide-in campers, 5th wheel RV trailers, or gooseneck flatbed trailers. The LoadLifter 7500XL Kits provide an unbeatable combination of adjustability and ride quality.

The LoadLifter 7500XL Helper Springs help to eliminate the vehicle squat from heavy loads. The massive 7-inch double-bellows air springs have been specifically designed to handle extreme loads and offer greater leveling at all pressures for a safe, stable and comfortable ride. Air adjustable from 5 to 100 PSI, the air springs keep vehicles stable, level and comfortable whether loaded or unloaded.

• 7,500lbs Of Leveling Capacity
• Air Adjustable From 5 To 100 PSI
• Quick Connecting, Easy-To Use Air Fittings
• Built Like A Tire & Reinforced w/ 2-PIv Fabric For Maximum Strength
• Less sway: Air springs increase spring rate and vastly improve vehicle stability.
• Headlight aim: Only level and stable vehicles provide safe and proper headlight aiming.
• More even tire wear: when weight is evenly distributed to all four tires, tires wear more evenly.
• Less bottoming out: Air springs provide adjustable load support to help prevent bottoming out on rough roads.
• Improved braking and steering: when all four tires are firmly on the ground, braking time and steering are both improved.
• Less porpoising: Even heavy pickups which don’t squat when loaded can begin to porpoise vertically when towing heavy trailers.