What the max hp using stock magnum heads

Brooks James said
360 magnum
Stock block, pistons, heads, crank
Adv cam specs 274/498 intake
286/512 exh
Air gap
750 holley
Dougs D453 1 5/8 headers
150 shot of nitrous

I'm hoping for 500 hp will the heads allow it

I'm a bit grouchy this morning so.........

When I wanted to know that kind of crap I just built it to find out.

If you build it he will come!

Ahh......I mean you will know......and..... We will know.