C8AE-6312-B

Ok68 390 Ford, Fairlane, Mustang (2v PF)-AC

Ok71 390 Ford w/std_alt, wo/PS

Ok68 428 Ford (AC)

3 grooves

Diameter 7 13/16"

Overall depth 2 1/4"

Ford Service Part Number ID C8AZ-6A312-B

Pics courtesy of

John L.