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the mod bug bit me

  1. Dodge Challenger SRT Hellcat Forum
    Have a question that I am not able to confirm about rear diff for a 16 hellcat m6 could use some help. Being Black Friday I found a rear diff that I would like to use on my car on sale car came with 3.70 lsd I am wanting to replace with a 3.90 lsd part number 5038703aj what I want clarity on is...
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