Does anyone know if there is a 3.23 posi setup for a 72 455/auto with a 10 bolt case?

Or must it be a 12 bolt case?

Pete

 

Your 72 should have a 10 bolt corporate rear end with bolt in axles. Parts are readily available from any supplier, summit, Jegs, etc. You can also have your rear end shop supply the parts.

Just search for parts for 8.5" 28 spline rear.

 

Try Supercars Unlimited. They are in the Portland area.

http://www.supercarsunlimited.com

Don W

 

Yes, there is for the 71-72 and up Corporate 8.5" 10 bolt. I have one in a 71 442

 

3.23 gears from any of the aftermarket suppliers and the posi of your choice, either new or used.