Offering up to 5 000 pounds of load-leveling capacity the LoadLifter 5000 kit from Air Lift will make towing and hauling with your Ford F-150 a comfortable and stress-free experience. For frequent use our fully-adjustable industry leading air springs are the perfect partner for your vehicle eliminating any issues that you might face. The LoadLifter 5000 kit helps to eliminate problems frequently faced when towing and hauling such as squat poor headlight aim trailer sway body roll and bottoming out. With the added stability and weight-distribution that air springs provide you can haul safely knowing that you have optimal braking and steering control. With the ability to adjust the air pressure from 5-100 PSI your pickup can be ready for any weight and any situation (Note: Do not exceed vehicle's gross vehicle weight rating (GVWR)). An Air Lift exclusive each kit comes equipped with upper and lower roll plates added to protect the air springs from sharp edges while increasing the load capacity by 10%. The air springs themselves are built like a tire reinforced with 2-ply fabric for maximum strength. All of the end caps are made with an ultra high-strength nylon composite formula strong as steel but much lighter and corrosion proof. As the leader in air suspension products for more than 75 years Air Lift is committed to delivering quality load support parts that last. To ensure the highest quality longevity and customer satisfaction the key suspension components including the air springs and all hardware have all been torture-tested to 1 million cycles on our hydraulic test rig. With a lifetime warranty and 60-Day Ride Satisfaction Guarantee -- not to mention the Air Lift reputation for great customer service and technical support should you run into any snags in the installation process -- you can purchase this kit with peace of mind. Installing the kit is a simple process requiring only common hand tools and no frame drilling.