NGK B-4L (3112) STANDARD SPARK PLUG / BOUGIE STANDARD
| Technical Specs | |
| Thread Size (mm) | 14 | 
| Thread Reach (mm) | 11.2 | 
| Hex Size (inch) | 13/16" | 
| Seat Type | Gasket | 
| Resistor Type | Non | 
| Projection Type | Non | 
| 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 | 
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