8 3/4 A Body Rear end

Looking for an 8 3/4 rear end for my 69 Barracuda.
I have an original 8 3/4 housing with axels and backing plates w/bell drums, has replacement stainless steel brake lines, and newer brake pads and wheel cylinders.
$550.
I also have a 8 3/4 489 center section with a posi unit and a 2:89 gear.... $350.

Asking $800.for both