69 Dart Custom Slant Six carb help needed!

Found the Holley list but...ugh...
I assume its a 1920 carb but wonder about getting correct.kit for it just going by the 1920...???View attachment 1715895168
That's it, Pish & SSD have it, be aware that the mini-metering/economizer block has a rep for being sometimes difficult to impossible to get clean/function correctly.