Re: Is this a real yenko hood tach or repro
 

Should be a good book https://www.yenko.net/ubbthreads/imag...s/rolleyes.gif

Also, the original Deuce Dixco's had two locating pins, one on either side of the metal 'nut'. The later 'JC' tachs as we call them, don't seem to have these pins.