Trans , Xfer, etc
As long as you are staying with a manual, the 231s are all the same (at least in TJs). Same input spline count which is what matters. There MAY be some differences in the selector and the speedometer connectivity over the years, so you'll need to match this up when buying the SYE.
'97 TJ, 4.0, AW4 (yes, from a Cherokee), 241OR
Rubi 44s, 488s, Stock Lockers
Rubicon Express 4.5" Long Arm
Bilstein 5150s, 1" JKS BL, 1" ML
37 Krawlers for trail, 35" KM2s for street
Stretch and ORIs in the works!