Pontiac 12 Bolt

[Don Hansen]

I have a 12 bolt out of a 71 Grand Prix . I have been told that there is a big differance between a #hevy 12 bolt and a Pontiac 12 bolt . Where can I pay parts for this rear end . I would like 3:55 gear set and a 3 series carrier . I have tried Moser,Drivetrain direct, Reider Racing and Currie .They all could not help .Thanks

[Don Hansen]

I have a 12 bolt out of a 71 Grand Prix . I have been told that there is a big differance between a #hevy 12 bolt and a Pontiac 12 bolt . Where can I pay parts for this rear end . I would like 3:55 gear set and a 3 series carrier . I have tried Moser,Drivetrain direct, Reider Racing and Currie .They all could not help .Thanks

[GTOken]

Try Tom's Differential, he was very helpful to me and the prices seemed good too. http://www.tomsdifferentials.com/

Also, another place I have used, http://www.ring-pinion.com/

[Old Man Taylor]

Ditto on Tom's Differential. He knows his stuff, and he makes a killer 12 bolt.

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Jim