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Posi-trac Diffy

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Old October 12th, 2019, 09:06 AM
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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 October 13th, 2019, 02:44 PM
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I think that is a 2-series (2.56 gear ratio) differential. The 3 series is casting number 410408.
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