need 8 3/4 3.91, 4.10 posi

A Posi? So you need a Chevy rearend?

J/K :D

Folks on the street referred to sure grip as posi-even for Mopars- I started driving my first Mopar in 1964 and can testify to the fact- I don't understand why some of us have to put or Mopar brothers down like this-
Let it be...............