OFAC Fiesta turbo ECU. (OFAB can be used but takes a little bit more work)
Ecu related MAP sensor. (OFAC ecu will need an OFAC MAP sensor)
Fiesta turbo engine, or mixture of adapter plates and a trigger for the CPS.
EFi inlet manifold, throttle body and charge carrier
ACT sensor, from the fiesta turbo
Throttle body to charge carrier pipe, still available from Ford at the moment!
EFi flywheel, Fiesta RS, XR2i, XR3i (EFi)
XR3i EFi whole loom
XR3i Throttle cable and pedal
EDIS Module and coil pack etc from XR3i (or Fiesta RS)