What Oil Filter to use

So Im sure this sounds dumb, but I am having trouble findin the right oil filter. According to O'Rielys I need to use the Fram PH8A. But this looks too short and the circumfrance is much larger than the one I have on my car already. Im thinking it looks more like the Fram HP1. They dont look interchangable, but maybe they are?
This is my daily driver so I dont want to take the oil out remove the filter and then hope that I can find the new filter around town.

BTW
1966 dodge dart 273. I dont think it was origionally a 273 (per VIN #) so the engine could be a different year, but that shouldnt matter right???