8 3/4 rear end size

[Beavis]

what is the correct width of the rear end in my 69 belvedere.

i need to swap out the 7 1/4 with an 8 3/4

i need a case only if anyone has a decent one available in the north east.

 

[terzmo]

everything u need to know

http://www.bigblockmopar.nl/tech/mopar-rearaxle-dimensions/