3927185 307/327/350 68-79 1.72/1.50 70cc
castings2.html Chevy Casting Number identification - Block casting numbers
Guess it might be right.
Welcome to the site but sorry I had to sell my boat and no longer need an anchor.Hi guys, I was looking up some casting numbers for some cylinder heads that I got and ran across your site, would anyone be looking for a set of these heads marked 3927185? they are off of a 69 307 0out of a Camaro