What he has is not correct. Looks like the mount was milled off. I bet that top alternator bolt will line up with that hole on the milled off lug. Need to pull a valve cover and get a head casting number.
Nope. Look closer. that hole is a dimple that is at about a 45 degree angle to the front of the head. Both heads are the same configuration. Nothing was milled.
That dimple you see is all that remains of the threaded hole that was the mounting bolt hole.
They've been machined off on a 45 degree angle and what you see is all that is left of the boss.
