AirLift's LoadLifter 5000 Air Spring Kit is specifically engineered for hauling or towing heavy loads and is designed to fit your 2011-2016 Ford 6.7L Powerstroke F250/350/450 4WD truck, motor home, commercial truck and other severe uses. This kit provides up to 5,000 pounds of leveling capacity for support of your heaviest loads. AirLift air springs beef up your existing suspension to boost your safety and comfort when hauling large loads. Proper weight distribution to all tires means more safety and a more comfortable ride as well.