Old wrench guys.. just a quick 340 question.

Do any of you "old timers" know what head came on the 68 340 with a four speed? Was it the X head? I know the manual equipped 68 340 came with a pretty wild cam. If you young "whipper snappers" know the answer ... please tell me...

jim coster, pittsburgh
"jimharvard" here at FABO