What we need is:
Forged Pistons
Wiseco VQ37 Forged Piston Sets
Forged/Billet Rods
K1 Technologies Connecting Rods for 09-10 infiniti g37 Import Image Racing
APR L19 Head Studs
ARP VQ37VHR L19 Head Studs
APR Main Studs
GTM Motorsports*::*ENGINE INTERNALS*::*ARP VQ35/37 Main Stud kit
Thicker Head gasket
Cosworth MLS Performance Head Gaskets for 370Z/G37 - Injected Performance
And buy new bearings and coat them in any local shop
Some high cc injectors and how flow fuel pump.
Now of course you can choose different brand of forged internal like eagle and CP pistons or what ever you feel comfortable with but for me they are all the same.. forged is forged
One thing I wanna suggest also is try not to bore you block.. I mean seriously.. if boring it will not harm the ridged of the sleeves, Nissan would be proudly done that from factory for extra hp/tq for free