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Posi-trac Diffy

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Oct 12, 2019 | 09:06 AM

#1

rocwal

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Joined: Jan 2009

Posts: 405

From: Maine

Posi-trac Diffy

Have posi from a 72 Cutlass ? 10 bolt # 410409 { 912 } New bearings and seals
$300.00 plus shipping

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Old

Oct 13, 2019 | 02:44 PM

#2

Fun71

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Joined: Feb 2013

Posts: 15,409

From: Phoenix, AZ

I think that is a 2-series (2.56 gear ratio) differential. The 3 series is casting number 410408.

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