Because of the tons of emails and questions about this I am posting how to do this at home, keep in mind it is just for the tube and housing, but you can get your stock axle shortened for less than 100 bucks from moser and other manufacturers, I am not setup right now for the resplining but ive done it dozens of times.you can use this simple tech and apply it to dana 60's 70's or any other standard light duty rear axel
Here i start with a waggie 44 from a quadra-trac Jeep with the brakes,carrier and axles out