Here's another chain option. A lot of emergency vehicles use this chain set up. Traction at the touch of a button. I almost had these installed on my 2wd C-4500 when I moved from TX to MO. The road to my cabin was up a very steep grade and the truck was worthless on the snowy hill w no load and 2wd. http://m.youtube.com/watch?v=IPd3O5...uri=%2Fwatch%3Fv%3DIPd3O5_SJEs%26autoplay%3D1


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