1965 MMP's Barracuda Hemi swap! The Ever Changing Build

moparmat2000 said
What year to year is that extension housing from if i might ask? I am looking at swapping in a 42RH, but want to keep the mechanical speedometer.

As long as you stay RH you'll be fine. It's when they went to RE that they had 2 options ( cable drive or Elc )