somethings but not all.
short ram intakes will work
2000 focus svt fuel pumps
certain FRPP (oil pump, cam gears, maybe a few others)
Intake manifold with some modification
throttle body with modification
engine torque damper(i think)
ignition coil and wires
cams(though make sure, due to vct and non vct)
Others may come in with corrections for me or add things. :shrug: