All 1963-64 Hawks use 2

1960-62 Larks 1960-64 T-Cab trucks

43 14 inch length 1959-61 Hawks

All 1958 cars All 1959-61 C-K

To valve 38 78 inch All 1957 Hawks All 1962-64 Hawks

1956 cars except Hawk

Control cable to duct All 1959-66 sedans All T-Cab trucks All 1963-64 Hawks use 1 per cable

Many 1954-56 trucks

1947-49 Champion Commander 1949-56 trucks except when heater motor is on side of housing 1958-59 trucks

All 1953 cars mounts under dash

All 1951 cars

All 1947-49 cars