Thread: Gm 10 bolt 8.5 posi unit
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Old 10-12-2004, 08:19 PM   #3
clarkjw24
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Join Date: Aug 2004
Location: McBee, SC
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Is this a 28 spline or 30 spline unit? Also, is it "GM" factory or Eaton, Aurbun aftermarket?
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