Hey John, I did PM you to see what info I could get for you regarding this, let me know if you are still interested, thanks.
Hey Jim, how do I determine the info you are looking for? Are there any part numbers or other data somewhere on the axle that I can provide for you?
Big Block, I have one junk one , one good one (8.5) . I'll measure em tomorrow and look for identifying numbers. Will get back to you, very least , you'll know what ya got or ain't got......JIM