Basic EFI bits needed are:

FRST EFI inlet and injectors
FRST OFAB/C engine loom and EDIS module
MAP sensor (FRST or Cos)
OFAB/C ECU
crank postion sensor
36-1 teeth pick up pulley
1.8 Sierra alternator bracket (unless you mod the alternator)
air filter (Cos T3 will fit with standard pipe)
coil pack
inlet conversion plate (unless you use EFI head)
FRST HT leads
EFI XR3i fuel filter to fuel rail pipe (to keep original ERST fuel filter)
EFi rev counter



This site may help you: www.rsbible.co.uk

HTH