Max horsepower with EQ heads?

My Cruster on the left has EDDY RPM heads, ported by me, has stock 45 degree valve seats and 2.14 intake valves on a 493 stroker 440, 273 Degrees at .050 and .625 lift. Best time to date is 10.29 @131 mph. Don't know the flow but I am happy with it.