/ubbthreads/images/graemlins/dunno.gif They aren't cheap and have to be ordered from Japan/Ralliart. I take it he doesn't have any receipts for it? Does it come with the longer LSD gearbox axle too? It's worthless without it.
Ralliart doesn't use the normal Mitsu part numbers:
Ralliart: RA734076S1
Mitsubishi: MD738900
Mitsubishi front LSD unit (E38A VR4 RS):
Not the best, but Ralliart VR4 RS Group N catalog (4th row, 2nd from left)
There's some pretty obvious differences if you look at the shape and location of all the openings in the exterior housing.