Description
Fine ruthenium and platinum electrodes concentrate spark energy across a wider range of mixtures. The tapered-seat plug uses a copper core to remove heat.
Features
- Double Fine Electrode design concentrates spark energy for rich or lean mixtures and a wider air-fuel-ratio range.
- 0.4 mm ruthenium-alloy center electrode and 0.8 mm platinum ground electrode; trivalent metal plating provides anti-corrosion and anti-seizing properties.
- Corrugated ribs resist flashover; alumina-silicate ceramic insulator transfers heat and provides strength; copper core removes heat.
- Ruthenium HX™ Brings The Most Advanced Spark Plug Technology To The Automotive Aftermarket, Delivering Better Efficiency And Power For Today’s Engines
- Superior Oxidation Resistance
- Ruthenium HX Provides More Complete Fuel Burn
- Ruthenium Performs Better At High Temperatures In Various Driving Conditions Compared To The Leading Precious Metal Spark Plugs
- Ruthenium HX Spark Plugs Are Manufactured In An ISO 11565-Certified Facility
- No Supplier Warranty
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 |
Additional product details
The NGK 90220 spark plug belongs to the Ruthenium HX series and has a tapered seat.
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