Uneducated, would YOU buy?

That B-body rear is a little to wide for a Dart.
It works well in a Duster or Dart Sport, helps fill the wheel wells up.
There is some good deals on B & E body housings out there.
You can send the housing to Moser Axles & have it cut down to A-body spec for a $150.00.
they do some nice work.