big bolt pattern 8 3/4 rear

ZERO production A bodies came with 8.75 and 5x4.5" pattern. Only the 68 SS Hemi cars. The last year for the 8.75 in the A body was 1972. In 73, you got the 8.25 in the large bolt pattern if it was a disc brake car. The small drum brake cars got the 5x4" pattern all the way to 1976.