Rear Suspension Air Bag Towing Kit. 1999 – 2004 Ford F-250 3/4 ton Pickups With 8 Lugs Will Not Fit Cab & Chassis Models Fits Both 2wd & 4wd. Works On Trucks With B&W Tow Hitch. This is a bolt-on kit. Provides Up To 5000lbs Of Leveling Capacity. Easily Add Or Remove Air Same As You Would A Tire. Two – Heavy Duty, 4 Ply 2500lb Air Springs. (Titan IV Series By airmaxxx). Mounting Brackets With Hardware. Approved Air Line With Fittings And Schrader Valve. Never exceed more than truck manufacturers maximum load recommendations.