Hey Troy, do you mean the steering "coupler" where the "south" end of the steering column shaft attaches to the input shaft of the steering box? You can PM if you like since I have some extra parts and just converted my 70 Roadrunner from manual to power.

70 Roadrunner convt. street car 440+6, NOS, 4-spd, SS springs '96 Mustang GT convt. street car '04 4.6 SOHC, NOS, auto, lowered "Officer, that button is for short on-ramps"