Alu OD 833

F bodies started in 76.
I've pulled both aluminum and cast iron OD 4 speeds from F bodies.
probably still have them.
You'll need the 5.124" retainer opening bell.
pn# 3743859 WITHOUT the insert ring

Good to know. My guess is he is saying it's from a 75, but will fit A or F. Still haven't seen the tail housing. Hopefully later on today.