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Mopar 3.90 Limited Slip Differential 68427798AA $1200

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2ndAmend

2ndAmend

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#1
I believe this fits 15-23 Challenger. 15,000 gentle miles on it after a proper, gentle break-in. Absolutely perfect, no whine or any problems. I put this in when I bought the car, now I am selling the car with the OEM diff and no longer need the 3.90.

Local pick-up preferred, this is not cheap to ship.

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OP
2ndAmend

2ndAmend

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U

Unholy707

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#3
Adding to the post - people with an m6 want this. Good luck with the sale!
 


16GoManGoHC2

16GoManGoHC2

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3.90 Definitely helps the high gear ratio stock Hellcat M6 transmission. These Diffs hold up just as well as the stock 3.70 Hellcat Diff, I don’t think there’s any difference in strength between the two. I’ve used both for over five years, worse that’s happened to them is they get noisy (whine on deccel mostly) and usually that takes a severe wheel hop event to make happen. Never had one outright break. Trusted seller here.
 


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2ndAmend

2ndAmend

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Sold on ebay in 5 days for $1395 plus tax and shipping. Apparently these are becoming hard to find.
 


BULL

BULL

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#6
These were going for 1/2 of that at one point (new)

Moving thread..
 


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