mid '80s heads.... 2 questions

Casting number is 4027163... Going in Jake's 65 B'cuda just to get him on the road with a fresh and reliable mill that cost me almost nothing - gaskets/cam are the only expense in it... He can build a screaming small block later in life when he's older...lol

To be honest, I don't know what the chamber looks like on the 360 heads - they are in the shed and I haven't dug them out yet.