No, the '73-77 A body r/e housing has a wider spread between the two upper control arm mounts. The overall width of the '73-77 A -body rear also near an inch wider than your LATE PONTIAC 8.2 10 bolt.
Know these rears very well, have built up near 2 dozen '73-77 A-body rears & over 350 71-72 8.5 A-body rears.
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