Fits the following:
1971 Mustang 351C 4-barrel (except CJ) with automatic transmission 1972 Mustang 351W-2/B or 351C-2/B with C6 automatic transmission
1971 Torino 351C 4-barrel (except CJ) with automatic transmission 1972 Torino 351W-2/B or 351C-2/B with C6 automatic transmission
1971 Cougar 351C-4/B with automatic transmission 1972 Cougar 351W or 351C-2/B with C6 automatic transmission 1972 Cougar 351C-4/B with automatic transmission and quiet dual-exhaust system
1971 Montego 351C-4/B with automatic transmission 1972 Montego 351W or 351C-2/B with C6 automatic transmission
Has a 164-tooth ring gear.
Has a 164-tooth ring gear.