Product updated on 2020-06-22, Air lift - AIR:57538, 2011+ Silverado/Sierra 2500HD/3500HD AirLift LoadLifter 7500XL Air Spring Kit, Up to 7,500 lbs. of load-leveling capacity, Eliminates squat, trailer sway, rough ride and bottoming out, Fits many 3/4 ton and 1 ton pickups and vans. , LoadLifter 7500 XL air springs are designed to fit select One Ton pickup trucks. LoadLifter 7500 XL air springs provide up to 7500 pounds of leveling capacity for support of your heaviest loads. More Leveling Power - With Less Pressure. The available volume in our huge 7-inch double-bellows air springs give you greater leveling strength at lower pressures. It's the perfect balance of lift and ride. Kit includes 2 air springs All necessary mounting brackets All of the hardware needed for installation Fully-illustrated installation guide, Warranty information - 60 Day Money Back Guarantee, AirLift LifeTime warranty. Standard limited lifetime air spring warranty — no mileage restriction! Air Lift Company warrants that Air Lift 1000, Air Lift 1000 HD, RideControl, LoadLifter 5000, LoadLifter 5000 Ultimate, LoadLifter 5000 Ultimate Plus, LoadLifter 7500 XL and AirCell air springs systems will be free from defects in workmanship or materials for the lifetime of the vehicle of original installation. This does not include installation or other service charges for replacement.