It is very possible like French said. This is also known to happen when The First stud is removed from a stock head Changing over to header and installing New Bolts.If to is to long it can cut/push the back of the hole out and start to leak water as well.
I to have had a Few factory Untouched heads Leak
Like that. Just be sure to use sealer on the one Or Like french said Stud it and use sealer.
God doesn't like ugly.
