h/c combo ...
#2
There really is no head/cam combo that is guaranteed 500rwhp. It goes way beyond just the heads and cam.
https://ls1tech.com/forums/generation-iii-internal-engine/732392-recipe-500-rwhp-heads-cam.html
https://ls1tech.com/forums/generation-iii-internal-engine/732392-recipe-500-rwhp-heads-cam.html