Help with my first engine build (5.9 Magnum)

Special 5.9 Magnum balanced flywheel for the 10.5" clutch:
SCIENCE FRICTION Billet Steel Flywheel, SFI Quality, 130t/10.5", 360 Magnum, 6-bolt - American Powertrain
Roller pilot bearing:
More Information for NATIONAL FC69907 (rockauto.com)
Throttle bracket:
Throttle Bracket for Magnums | For A Bodies Only Mopar Forum