I need the part number for an Autometer Ultra Lite air/fuel ratio gauge. I want to get the ultra lite oil pressure, and volts. I can't seem to find an ultra lite A/F, but im pretty sure i have seen one. Can anyone help?

98 Black Mystique; Duratec/ATX
"Mystique, the luxury SVT"

P.S. This is what part of the alphabet would look like if the letters Q and R were omitted...