1969 340 water pump pulley

Just for reference. These pics are of the original pulleys from my 69 Dart 340. It has power steering as you can see it has the double groove crank pulley. There are no part numbers on either pulley. It appears by this thread that there were two different diameter water pump pulleys. 6-1/2" and 6-7/8". I just checked the 69 parts book and they show a different part number for A/C cars. #2463332 Most likely that part had a different diameter?

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