Which heads?

FEF66AF0-0BAE-40C5-A683-F1CF957C70C4.jpeg
A good valve job means it should have the area where the valve touches the head made round with a Minimum of 3 angles in order to induce good low lift flow.

Power wise I see an easy 340hp.
Cool if it will make 340 that will be awesome. Should be a fun car. Oh here she is.