8 1/4 A body rearend

does anyrbody have or know someone who has a A body 8 1/4 rearend
prefer southern Ontario or upstate New York. Also looking for Large bolt
disc bolt disc brake conversion for "A" body,again southern Ontario or upstate New York. I'm trying to do this in one trip,I don't mind driving for the parts it just does'nt make sense with the price of fuel and hotels to do the trip twice
thanks