Amc 20

[Rockfrog]

Isn't the MJ axle similar in width to the Wide Track FSJ rear?

CJ's used 5 on 5.5" bp

FSJ were 6 on 5.5"

And MJ/cars were 5 on 4.5"

 

There may be other widths when you get into the car applications as well. But they may be the CJ widths as well.