Which CPS should I use?

My truck doesn't really have much inline as far as mods. Is this a trial and error process to see which runs best in my truck or is there a preferred order I should try these CPS' in?

As best as I can tell, I have 3 options....
FORD CPS - F7TZ 12K073 B (Ford Gray)
FORD CPS - F4TZ 12K073 C (Ford Dark Blue)
International Part Number: IHC#1876736C91

Much appreciated