NGK B-4 (3210) STANDARD SPARK PLUG / BOUGIE STANDARD
| Technical Specs | |
| Thread Size (mm) | 14 |
| Thread Reach (mm) | 9.5 |
| Hex Size (inch) | 13/16" |
| Seat Type | Gasket |
| Resistor Type | Non |
| Projection Type | Extended |
| Heat Range | 4 |
| Center Electrode Type & Material | Nickel |
| No. of Ground Electrodes | 1 Ground Electrode |
| Terminal Type | Loose |
| Pre-Set Gap (inch) | 0.028" |
| Thread Pitch (mm) | 1.25 |
| Buyer's Guide | |
| Years, Makes & Models | Pontiac Bonneville 1958-1957, Catalina 1958-1950, Chieftain 1958-1950, Star Chief 1958-1954, Streamliner 1952-1950, Super Chief 1958-1957 |






