after reading your post on another forum i realize these are the kind you are looking for...i think you will find that article helpful. However, The fox air shocks arent really recommend for a rig weighing over 5k pounds. I dont think you'll find a good air shock set up without dropping some major cash...much to the liking that mark miozzi did on his dually. www.siblingrivalry.com check out the black NBS dually...its sweet and running nitrogen/airshocks.
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