Hummm, the extra head bolt bosses are not drilled.
Did he have the intake and timing cover to go with the block?
If he threw than in with the package, then d get it.
I’m not sure what kind of stroke/piston combo you can squeeze in there.
He did not have those pieces. The machine shop owner is a Mopar guy and he has not bought it because he does not want to chase these parts either plus...It's 59 not 48. He drag races. it's an unusual combination it seems.