OK have have a few Questions with this build

this is my head set up
b18c5 Head
Stage 3 skunk 2 turbo cams
skunk 2 valve train
dual titanium valves
racing 3 angle valve job
Shave ported and polished
Brand new Old school style skunk 2 intake manifold
comp str fuel rail (red)
RC 720 cc injectors
all sensors in head
aem tru time cam gears (red)
Brand new Delpro Cam seals

I have a LS block with a Eagle Crank and LS rods, and A Comp flywheel


Im trying to figure out which pistons i need to go with to extract the most h/p out of this set up

 

why turbo cams?

 

I also realize that i need to swap out the turbo cams for some all motor cams (need advice on that also) The reason why there is turbo cams in it is becuz we changed the plans from a b20/v turbo to a ls/v all motor