Folks, I need to verify current Ford numbers for the earlier 80's model and the new superduty cast iron. I've searched and read, and here's what I have:
E5TZ-18183-A ~$14.32 OLD F250
F81Z-18183-A ~$33.54 NEW SUPERDUTY
E5TZ-18183-A ~$14.32 OLD F250
F81Z-18183-A ~$33.54 NEW SUPERDUTY

