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| Detail | Value |
| Part Type | Distributor Weight Assembly (Centrifugal Advance) |
| Vintage Part | Yes (New Old Stock - NOS) |
| Motorcraft Equivalent | DD-20 (Likely Motorcraft Interchange for this era) |
| Note | Used inside the distributor (under the rotor) to control ignition timing advance based on engine RPM. |
| Year Range | Make | Model (Examples) | Body & Trim | Engine Size (L / CID) |
| 1962-1970s | Ford | B-Series (B-600, B-700 Buses) | School Bus Chassis | All Gas Engines (e.g., 4.9L, 5.8L V8, 6.4L V8) |
| 1962-1970s | Ford | C-Series (C-500, C-700 Tilt Cab) | Medium Duty Commercial | All Gas Engines |
| 1962-1970s | Ford | F-Series (F-500, F-600, F-700 Trucks) | Medium Duty Commercial | All Gas Engines |
1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
