This is an original Ford Rotunda branded fuel filter which fits the following applications

1966-1966 MUSTANG 289

1966-1967 MUSTANG SHELBY GT-350, HOLLEY 3259 715 CFM LEMANS BOWL CARB

1967-1967 MUSTANG 289 HIPO

1966-1966 FALCON 289

1966-1966 FAIRLANE 289

1966-1966 FAIRLANE 390, EXCL BODY 63D, 76D

1967-1969 FAIRLANE FAIRLANE, TORINO, POLICE CAR, 428

1968-1968 F100-F350 390-2V

1966-1966 BRONCO 289

I tried to show the Ford engineering number and Rotunda logo which is stamped into it but they may be hard to see in the photos.  I can assure you that they are there.   Brand new NOS and  never installed