That's just silly what some people ask, when Dr. Diff offers this for the same or less money: Mopar A-Body 8 3/4" Housing & Axle Package
(Yes, I know- currently out of stock, but you get the idea.)
ironically “Uncle Tony” is one of the few people to defend the 7.25 rear ends and in one of his videos on mopar rear ends actually say something positive about them.