Type B posi. Supposedly out of a 66 Buick GS. I'm pretty sure it needs to be rebuilt but I don't know much about them. I know the Type O 3.42 I got from Brian Trick takes a lot more torque to turn one wheel with the other on the ground than the Type B.

It came with my car. I had the cover off about 3 or 4 years ago & the gears were fine. The car hasn't been used at all. I'll take it back off to inspect if someone is interested. I can probably deliver in the Northeast for free. Slight leak from the axle tube interface with the center section. Not enough to get a drop of oil on the floor. I had it on ROP at $400 with no interest. Offers?

Thanks

Mike