Description
A tapered seat and ruthenium fine-wire electrode define this NGK Ruthenium HX replacement spark plug. The copper core helps transfer heat away from the firing end.
Trivalent plating eliminates the need for anti-seize. The design supports durability, complete combustion, smoother idle and cold starting.
The Double Fine Electrode design concentrates spark energy across rich and lean air-fuel conditions. A 0.4 mm ruthenium-alloy center electrode works with a 0.8 mm platinum ground electrode. Corrugated ribs help prevent flashover, the alumina-silicate ceramic insulator supports heat transfer, and the copper core carries heat away. Trivalent metal plating provides corrosion and seizure resistance.
Specifications
| Resistor | Yes |
|---|---|
| Electrode Type | U-Groove |
| Electrode Core Material | Copper |
| Electrode Tip Material | Ruthenium |
| Insulator Type | Projected |
| Thread Size (IN) | 0.55 Inch |
| Quantity | Single |
| Reach | 0.984 Inch |
| Seat Type | Tapered |
| Wrench Diameter | 5/8 Inch Hex |
Warranty
- Limited 60 Day Warranty
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