Choice for EDM solid flat tappet lifter.

Cookie Truck.

According to cam grinder & SpeedTalk. com forum owner Mike Jones, there is only one FT lifter company making lifters in the USA....& they are very expensive.

If you go to the ST forum, look for the FT lifter thread dated June 29, 2022, it is a few pages long; maybe you can paste it in here so others can read, I do not know how to do it.
I promise you he's WRONG.