Product information updated on 2021-09-21, Manufactured by Air lift - Part Number AIR:60763, Air Lift 1000 Air Spring Kit, Fits 2009-18 Ram 2wd/4wd lowered 4 inches rear, This AirLift 1000 series kit works in the Ram 1500 series trucks that are lowered 4 inches in the rear., Air Lift Company's Air Lift 1000 provides up to 1,000 lbs. of load-leveling capacity. Air Lift Company's air bag kits for Sports Utility Vehicles and vans provide greater safety and comfort when you're carrying a heavy load.