I don't have the good part numbers off hand. But both good and bad ones can be bought at NAPA. About all I can say now is that the good ones are the expensive ones, of course.
The CS755s have been in mine for at least 10 years.
I have been told when I inquired of a reliable wholesale source that the Echlin are technically made in USA because they are made at an Echlin plant in Puerto Rico. I mention this as a fact, not to criticize or approve.
A person on EBAY selling original Motorcraft for 22.50 shipped for 5 just put Motorcraft DP-3 in the search block, I have 4 As with 3 of them having the new style points, thought it was a good deal.