This is a set of 4 NOS Ford rear brake backing plate to axle tube gaskets which are correct for all the following applications and many more from 1955 on.   The center opening is 2 7/8".      You will receive 4 gaskets and the original Ford package will ship with the last 4 sold.  All original Ford, no crappy import repro stuff here!  1965-1970 MUSTANG (BEFORE 9/30/69), FORD 8 INCH AND 9 INCH REAR AXLE

1970-1973 MUSTANG (FROM 9/30/69), FORD 8 INCH AND 9 INCH REAR AXLE

1967-1970 COUGAR 8 CYL., INNER

1970-1973 COUGAR (FROM 9/30/69), FORD 8 INCH AND 9 INCH REAR AXLE

1966-1971 BRONCO (BEFORE 70 SERIAL# G50,001), 2700 LBS FORD 9 INCH REAR AXLE

1970-1983 BRONCO (FROM 70 SERIAL# G50,001), 2700 LBS FORD 9 INCH REAR AXLE

1963-1970 FALCON (BEFORE 1/1/70), 8 CYL., INNER

1970-1970 FALCON (FROM 9/30/69 TO BEFORE 1/1/70), 8 CYL., INNER

1970-1971 TORINO (FROM 9/30/69), INNER

1970-1970 FALCON (FROM 1/1/70), INNER

1968-1971 TORINO (BEFORE 9/30/69), INNER

1964-1970 FAIRLANE (BEFORE 9/30/69), INNER