wanted 8 3/4 rear end

I used a 8 3/4 out of a 65 coronet in my 71 duster and I am pleased with the fit. I did have the spring perches moved in 1/2 inch on both sides. This only cost $60. You get the big bolt axles and bigger brakes. The 65-67 B body 8 3/4 is a little shorter than the 68-70.