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  1. JHD1827

    Gears

    Anybody changed differential gears in a 20' 2500? From what I've gathered I have an AAM 9.25" front and AAM 11.5" rear. Im having a hard time finding ring and pinion sets online to get an idea of pricing. I'm thinking 5.13 be the ideal ratio for 37's, high altitude mountain roads, with light...
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