Recommended tiller connections are the H20 ones, which I carry on this website.., Geez, Tackle Shack indeed. They are not even an advertiser.
Here is the link:
https://store.catsailor.com/pc/viewPrd.asp?idproduct=11839&idcategory=0


If you cannot clean up the rudders, we also have two types: the cheap ones and the very expensive ones
Rick