There are a few good pump gas 572 combinations floating around here, but I had to do a few searches
To find them and add to the research pile.

If the block you end up with is already at 4.500 as mine was, it seems the path of least resistance.

A mildly cleaned up/blended set of Victor heads and middle of the road roller seems to support
Upward of 800hp in that environment, even with relatively short duration cams.