NGK Racing Spark Plug R5671A-10 5820
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The NGK Racing Spark Plug (part number 4216) is a direct-fit replacement built to match the original equipment part.
Features:
Specifications:
| Thread Size | M10 - 1.0 |
| Product Grade | Performance |
| Center Electrode Core Material | Copper |
| Center Electrode Material | Nickel |
| Ground Electrode Material | Nickel |
| Ground Electrode Core Material | Nickel |
| Number of Ground Electrodes | 0 |
| Hex Size | 5/8" (16mm) |
| Thread Reach (in) | 1.95 |
| Heat Range | 10 |
| Seat Type | Flat |
| Insulator Material | Ceramic |
| Resistor | Yes |
| Terminal Type | Stud |