The catalog lists AR80 which is an Autolite/Motorcraft. It crosses to a Champion J-11Y. I trust the updated Champion listing more.
Back then, you could pick between a large selection of hot or cold plugs. Probably because of wider fuel quality differences and/or fouling issues.
That felt in the top of the shaft also get a couple of drops of clean oil. You may have oil cups on the distributor body and front/rear generator bearings.
You may also have a grease fitting on the water pump.
When looking for a cap & rotor, the ones with brass terminals oxidize much less than the ones with aluminum terminals.