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| Ground Electrode Core Material | Nickel Copper Alloy |
| Hex Size | 0.813 |
| Insulator Height | 0.06 |
| Manufacturer Heat Range | 78 |
| Seat Type | Flat |
| Resistor Type | Yes |
| Ground Electrode Tip Design | J Gap |
| Electrical Terminal Type | Non-removable Nut |
| Gap Size | 0.64 |
| Washer Included | Yes |
| Ground Electrode Quantity | 1 |
| Center Electrode Tip Material | Nickel |
| Thread Diameter | 0.551 |
| Center Electrode Diameter (Inch) | 0.1 |
| Taper Diameter (Inch) | 0.25 |
| Classification | Champion Copper Plus Small Engine |
| Plug Type | QL78YC |
| Installed Height (Inch) | 2.24 |
| Gap Style | J Gap |
| Part Description | Spark Plug |
| Insulator Projection (Inch) | 0.06 |
| Ground Electrode Material | Nickel Copper Alloy |
| Reach | 0.5 |
| Part Terminology | Spark Plug |
