Firestone W217602445 Ride-Rite Kit for Toyota Tundra Levels vehicle front-to-rear and side-to-side , Fits 2007 to 2013 models Stabilizes vehicle while loaded and maximizes vehicles load carrying capacity Adjustability is between 5-100 Pascal Used on pick-ups, class A,B,C motorhomes, vans, commercial vehicles and SUV's Kit includes air springs, air line, fasteners, upper and lower brackets, inflation valves, push-to-connect air fittings and detailed instructions Levels vehicle front-to-rear and side-to-side , Fits 2007 to 2013 models. Stabilizes vehicle while loaded and maximizes vehicles load carrying capacity Adjustability is between 5-100 Pascal per square inch Used on pick-ups, class A,B,C motorhomes, vans, commercial vehicles and SUV's Kit includes air springs, air line, fasteners, upper and lower brackets, inflation valves, push-to-connect air fittings and detailed instructions