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anti-spin rear diff 3.55

  1. 3.55 Rear Diff ?

    2011 Dodge Ram Forum
    Hello, recently I purchased a 2011 ram with a 3.55 rear diff, under the impression that the anti spin rear diff was not an option. However, now you can get the 3.55 with anti spin from factory. I was wondering if there was a way to get anti spin through the dealership or is that only available...
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