These are regulars on eBay for just a bit more then the reproductions. Here is an example item# 192429847340 (not mine).
You will find these by other manufacturers back then as well, difference is they fit.
https://www.flickr.com/photos/advance-design_parts_co/16404696303/in/album-72157631868452754/
https://www.flickr.com/photos/advance-design_parts_co/23858678755/in/album-72157631868452754/
Sometimes you will find them in kits, this is war era conversion, pedal was used for many years (pinned type).
https://www.flickr.com/photos/advance-design_parts_co/31094895217/in/album-72157631868452754/
NOS pinned type.
https://www.flickr.com/photos/advance-design_parts_co/33252303518/in/album-72157631868452754/
https://www.flickr.com/photos/advance-design_parts_co/33252303058/in/album-72157631868452754/