Air Hitches
For a smoother ride and the ultimate in control, then you need the AirSafe advantage for your 5th Wheel, Gooseneck, or Receiver hitch. 90% smoother ride. Reduce stress on your truck and trailer suspension and help eliminate breakages inside the trailer.
url: http://www.yourtrailerhitch.com/html/5th_wheels.html
added: 2012-09-20