65 Barracuda daily driver

Mancini sells them if you don't find one at Spring Fling. They list as 66-74, but I don't see why it wouldn't work.

I had to drill and tap one of the end holes in my 360 in my Challenger to the next size bigger stud. Hopefully your sealer will stop the drip.
904 Torqueflight Indicator & Tube Assembly