'70 Chrysler 300 8 3/4???

You can use it all in the A body if you modify it to fit. 200 bucks is a pretty cheap starting point. Some say the 741 cases are junk cause of the small pinion but they'll push an A body down the road fine. That's probably not what it is anyway because the 741 was A body only if I remember right. I won't say go F yourself cause it's rude. lol