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  1. I'm looking for a 3.23 or 3.42 posi unit. do you perhaps have one?
  2. I see no activity, is this posi unit still available?
  3. Hello Riv owners of AACA I'm currently looking for a 3.42 Posi unit to fit my 9 3/8 rear end since I do plan on upgrading my 73 Riviera for more performance. I've been on many forums telling me to just change the rear end to a ford or Chevy rear due to the aftermarket support those axles have, But I would like to keep this car all original in terms of the axle housing. I would greatly appreciate the help. If there are no 3.42 posi out there, I would go for a 3.23 Posi. I'm gunna leave this information here to help out if you are wondering if the rear end you have is com
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