b20kid

Ok i have a t3/t4 turbo i want to get some good Piston an rods but I would like to know which ones are my best for the buck i am looking for some 9.1, I also need to know wat size injectors should I use an is it better to have a intank fuel pump or external Also wats a good Head gasket out there that i can use for my set up im trying to run 18-20 pounds i have stage2 cams with the dual valvesprings in there, im also gonna get me Vacuum Manifold for all my lines. As far as hp i would liek too doo 300 but i was told i could make 350 with 440 injectors?!!! Another Question i hvae is dose the hondata 300 is that a good comp an wat is the best head gasket too use