Im looking to getting a head and cam package from texas speed and right now im looking at getting a 228r cam 114LSA with the PRC 5.3 stage 2.5 heads. what kind of power gains am i looking at? Also what would be the difference with going with the ls6 heads and maybe a 112 LSA instead.

Right now all i have on the 2004 Goat is:
JBA shorty headers
JBA high flow catted mid-pipes
K&N cia

I also plan on getting the ls6 intake manifold and ls2 tb