s13 rebuild ideas

[camelsx]

i got a red top s13 and well i want to rebuild my top end. but i dont want to go over board with replacin thing i dont have too. theres nothing wrong with it now. im lookin to get anywhere from 300 to 350 whp. i will be replacin the turbo to a Garrett GT28RS. i also putting in a Apexi N1 ExTi -exhaust, Greddy VSPL front mount, Tomei manifold, Tomei turbo elbow, -Apexi GT Spec down pipe, and a Greddy E-Manage Ultimate. i also would like to know wat size injectors i should go with. i was thinkin Nismo 555cc. If im forgettin any thing let me know. oh yeah and im replacing all my gaskets. just to be on the safe side. any advise would be useful. thanks