Bucket Seats????
Moparchad, I just replaced the bench for buckets in my '74 Duster, and I can assure you that NONE of the holes lined up. I don't know about same year fitments, because I'm not sure what year the buckets I got was, but they look stock or close year-wise.
They were nowhere near fitting either in spacing OR height/level of the bolts, and they certainly did not use the outside holes from the old bench. That would have put them right against the doors! The passenger just needed new holes, but I had to actually fab up brackets to mount the inner bolts at the correct height on the driver's seat. I suspect this may be a difference between the auto and 4sp cars, don't know.