I have a friend who needs some parts for his Y1 tranny. He has tried many ways to gets parts but can't seem to find the exact parts. Can anyone help him out???

Looking for:
Main Shaft for 3rd Gear (24 teeth, no I.D. groups)
3-4 Gear syncro (O.D. 3- 1/16")


This is all for Serial # Y1-1018173