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The NGK Ruthenium HX High Ignitability spark plug uses patented ruthenium tip technology to deliver higher ignitability and long life for modern engines. It’s positioned as an OE-level solution for improved combustion and drivability. Double Fine Electrode (DFE) tip geometry concentrates spark energy for a more complete fuel burn, aiding throttle response, smoother idle and better cold starts. A 0.4mm ruthenium center electrode with a 0.8mm platinum ground, plus alumina ceramic and corrugated ribs, ensure durability and reduced flashover.
NGK Ruthenium HX Spark Plug Box of 4 (LFR6AHX-S)
