Thanks!
That makes sense, not seeing the part on Messicks, perhaps a call might prove otherwise.
I thought this would be an easy part to find but its not.
Unfortunately, I don't. I have the Workshop Manual and it doesnt even list a part number for the replacement. I did happen to find a seller on Amazon who has the 500ci ignition coil, I contacted that seller and they told me to take a picture of the motor and coil to see if they had the 400ci...