1964 273 choke pull off number

NORS - Choke Pull-off Mopar 273 & 318 2bbl 1964 - Chrysler 2448989 | eBay
This might be the same ebay link, and yep I missed the 2bbl you clearly stated in your post. I'm old!

Also a tip for google searches. Type in the number and search. Then look at the photos, many times you can find numbers and the like AND some times you find things for sale.