I was trying to fix my WRX STi but i dont know which computer and starter motor to put into it (orginal)

It is one of those limited addition 555 edition one with the roof hole in it.

so please can you please tell me which computer and starter motor for it

Car Details

Subaru Impreza 1996 Sti
VIN: 7A8GF090707038124
ENGINE: EJ20-484134

If you need anymore details please please email, as i really want to fix my car but dont know what computer and starter to put into it