P5153847 cylinder heads

Thanks

I am looking for a very good head for my street/strip car. I guess the RHS magnum style head is the best all around head for the money so far.

Stock 71 Demon
8.75 with 4.10 gearing
904
3000 Stall
P275 15s MT Street Radials
I have a 340 block O ringed
.030 over
looking to make 500 hp