Thanks for the help guys.
So I don't need to buy a new head then? I know the machine shop they took it to said it was a hairline crack I believe... I can't even tell there's a crack but they marked where they were, and were wanting asking 300 to weld it clean? Figured I might as well buy a new head for that price...
How would I find out which piston size? I don't think it's been rebuilt before.
Would pictures help at all?