Hellwig 2108 Helper Air Springs for Ford F250/F350 Fits Ford: 2011-2015 F250 Super Duty Pickup 4wd Single Rear Wheel / 2011-2015 F350 Super Duty Pickup 4wd Dually 2600# bags (5200# capacity total) Bags larger than the competition for a smother ride and more capacity Easy, bolt on installation; Includes all pieces necessary to install (including air line and schrader valves) Heavy duty, powder coated steel brackets