Hope this makes sense. Should help a few of you to identify the correct part (or mod a 2wd one, if you can get the welding done properly):
And here's the elusive U/J, it measures 60mm from one pinch bolt centre to the other:
Thanks to Andrew for the loan

1985 Oettinger 3.2 Caravelle RHD syncro twin slider. SA Microbus bumpers, duplex winch system, ARC 7X15 period alloys