ORC twin disc clutch identification

[MeanS14]

Does anyone know how to tell the difference between an ORC 559 and 659 twin disc clutch for an S14 SR? Im looking to order some replacement parts and im not sure which one I have. There is no serial number stamped on the front or rear of the clutch cover/pressure plate like I?ve seen on other ORC clutches.

I believe I also might have the wrong carrier for the throwout bearing. I didn?t have any issues or noises with my clutch but after breaking my trans and removing it I discovered damage to the throwout bearing that looks like it was riding against the pressure plate

I know different clutches require different length carriers and I believe I might have the wrong one. Does anyone have the part number for the sleeve and bearing on these twin discs or know what the measurement should be from the bearing carrier face to the face of the tabs on the carrier where the clutch fork sits?