I have a rear diff gear set still on the carrier, haven't got a clue to the size. been oild, bagged and stored in a wood crate last few years. It's the rear LSD for a Gen1 LWB from what I recall. I'm not using it & don't know of this helps.

89 Montero LS 3.0L/Auto
90 MightyMax 2.4L/Man

Parted/gone - parts available!
89 Montero LS 3.0L/Auto [Blue/Blue] (2 of 2)
89 Conquest SHP
88 Conquest SHP
87 Dodge Raider 2.6L/Auto
91 Montero RS 3.0L/Auto

Others: 37 Lincoln