21 Teeth 1959-66 6-cyl with 4.09 RA ratio 1958-66 V-8 with 3.54 RA ratio 1963-64 Avanti with auto 3.54 RA ratio numerous other applications

20 teeth numerous 1958-64 applications

19 teeth 1958 cars with AD 3.31 RA ratio 6.70-7.10 tires 1959-61 6-cyl cars except Y1 with 3-speed or OD with 3.54-3.73 RA ratio 6.50-6.70 tires Numerous other applications

1941-42 Commander President less OD Other applications

18 teeth 1960-61 6-cyl Larks except Y1 with 3-speed or OD 3.54 RA ratio 6.50-6.70 tires 1960-62 V-8 cars with 3.07 RA ratio or 1962 6-cyl with 3-speed 3.31 RA ratio 1962 6-cyl with 3-speed or OD 3.54 RA ratio 6.50-6.70 tires 1963-64 V-8 with 3.07 RA ratio 6.70 tires Other applications

17 tooth 1958 Champions with 3-speed or OD except Y1 4.55-4.56 RA or 1959-64 6-cyl cars with 4.56 RA 6.40-6.70 tires

15 tooth 1958 cars with 3-speed or OD 4.09 RA ratio except 7.50 tires or with 4.27 RA ratio 7.10 tires

14 teeth 1958 cars with 3-speed or OD 3.73 RA ratio except cars with 7.10 tires cars with 3.92 RA ratio with 6.70-7.10 tires

13 tooth 1958 cars with 3-speed or OD 3.54 RA ratio or 3.73 RA ratio 7.10 tires

16 teeth 1956-57 Champions with standard less OD with 3.54 RA ratio

16 teeth 1956-57 V-8 cars with AD 3.07 RA ratio

15 Teeth