Fuel Pump 64 Dart 273

What is the correct fuel pump for a 1964 Dart 273 w/4-speed and A/C from the factory.
The 64 Dart has been modified to a Edelbrock 1406 Performer 4bbl carb. I think a 273 w/ a carter 4bbl carb was available in 1965 on the 273 engine.
Thanks