| Hex Size | 15.880 |
| Insulator Height | 0.2 |
| Seat Type | Flat |
| Resistor Type | Yes |
| Ground Electrode Tip Design | J Gap |
| Electrical Terminal Type | Non-removable Nut |
| Gap Size | 1.00 |
| Washer Included | Yes |
| Ground Electrode Quantity | 1 |
| Center Electrode Tip Material | Iridium |
| Thread Diameter | 0.551 |
| Manufacturer Heat Range | 12 |
| Ground Electrode Core Material | Platinum |
| Classification | Champion Iridium |
| Plug Type | RC12WLPB4 |
| Subject to Prop 65 (Yes/No) | NO |
| Part Description | Spark Plug |
| Grade Type | Premium |
| Reach | 0.75 |
| Alliance Keywords | spark plug, bougie d'allumage, bougie |
| Part Terminology | Spark Plug |