High voltage semi-conductor resistor for maximum EMI suppression. Copper core center electrode reduces engine misfire caused by fouling. Triple seal assembly with upper and lower metal gaskets and sillment seal, eliminates spark plug failure due to heat or mechanically induced stress. Triple coated shell, Tintac and Ultraseal over zinc plating resist corrosion and spark plug seizure.
California residents see Prop 65 WARNINGS
| Electrode | : | Nickel Copper Alloy |
| Fill Gap Size | : | 0.028 to 0.033 in |
| Hex Size | : | 0.813 in |
| Material | : | Copper |
| Thread Length | : | 12.7 mm |
| Thread Size | : | 0.551 in |
