A body 8-3/4 Rear wanted

I am looking for a complete or a bare housing for a 71 duster with SBP axles. Big or small pinion but must be clutch type. Looking to be able to drop in car ready or will buy a Moser center section. Prefer 3.55 - 4.10 gear set. I live in Canada so must be will ing to ship here please.

Thank you.