where can i find internals for it? (cams, bigger fuel injectors...etc) stuff to prepare it for an upcomming turbo

pistons:
JE (www.jepistons.com)
Arias (www.ariaspistons.com)
Ross (www.rosspistons.com)

connecting rods:
Crower (www.crower.com)
Carillo (www.carrilloind.com)
Pauter (www.flatlanderracing.com/rodspautern.html)

Cams:
Jim Wolf Technology (www.jimwolftechnology.com)

Fuel Injectors:
Jim Wolf Technology (www.jimwolftechnology.com)
CIP Motorsports (www.cipmotorsports.com) Nissan, MSD, Greddy injectors