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drivetrain lb7
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  1. 01-04.5 LB7 Duramax Powertrain
    Looking at replacing my ring gear and posi unit in my 04 2500HD. Keeping stock ratio 3.73 but you cant buy clutches from AAM for the rebuild of stock carrier, so I will have to replace with entire new carrier (posi unit) any recommendations on best gear sets and Posi units? Thanks
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