Help identify transmission

Hello, I have a transmission I was told came factory with a '68 Hemi car.
Numbers are a little hard to make out, here's what I've got.....

Casting: # A4 C99129 H
STAMPED: PP 833 3022
OG 160241 032
TAILSHAFT: C-99538

If anyone can help, it would be greatly appreciated!
Thanks!!!!!!!!!!