Suspension Air Spring KitLoadLifter 5000 Ultimate Air Spring KitLoadLifter 5000 Ultimate Air Spring Kit; Rear; Adjustable; With Internal Jounce Bumper; 2 Hr Install; Safely Run w/Zero Air Pressure;SPECIFICATIONS:WARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: California: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.govFEATURES:Exclusive Internal Jounce Bumper Inside Springs Absorbs ShockUp To 5000lbs Of Load Leveling CapacityMaintenance Free; Run Safely w/Zero Air PressureEliminates Harsh Jarring On Rough RoadsAir Adjustable from 5 to 100 psiEasy To Install In Less Than 2 Hours60-Day Industry-Exclusive No Questions Asked Money Back GuaranteeBest Lifetime Warranty In Industry; Covers All Kit ContentsOffering up to 5,000 pounds of load-leveling capacity, the LoadLifter 5000 Ultimate kit from Air Lift will make towing and hauling a comfortable and stress-free experience. For the ultimate ride comfort and protection, our fully-adjustable, industry leading air springs are the perfect partner for your vehicle, eliminating any issues that you might face. The LoadLifter 5000 Ultimate 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 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 vehicle can be ready for any weight and any situation. What sets the LoadLifter 5000 Ultimate apart from other air spring kits is the built-in internal jounce bumper. An Air Lift exclusive, the jounce bumper inside the air spring prevents bottoming out, eliminating squat and trailer sway, even on rough roads. This replaces the factory jounce bumper and it completely maintenance free, running safely with zero air pressure. This added feature makes the kit the ULTIMATE in ride comfort and protection. As experts in air suspension products for 70 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.Suspension Specialists since 1949 Air Lift Company has developed dependable air spring suspension products since our inception in 1949. Our original product, a rubber air spring inserted into a car factory's coil spring, was created and patented in 1950. We've come a long way since 1949 and are proud to be a dedicated suspension specialist company. Today, Air Lift load support products are sold worldwide and are engineered to fit over 540 vehicles. Our extensive product line offers air helper springs for trucks, RVs, SUVs, CUVs and vans, and the most technologically advanced on-board air compressor systems for on-the-go air spring control. Air Lift leads the industry in no-drill applications - kits that simply bolt onto your vehicle's frame, speeding the installation process. Our teams work constantly to bring innovative products to you and upgrade existing products with the latest technology. Our Air Lift Performance division customizes full air suspension replacement and compressor systems for lowered performance vehicles. All of our efforts are spent ensuring your safety and comfort by designing, engineering and manufacturing the highest quality suspension products. We are a family owned business based in Lansing, Michigan and make your family and cargo's safety our top priority.