The NGK Ruthenium HX High Ignitability spark plug brings advanced OE-derived tip technology to modern engines, using patented ruthenium and specialized DFE/PSPE designs to concentrate spark energy. This promotes more complete combustion for quicker throttle response, smoother idle and improved cold starts. Ruthenium fine-wire electrodes provide exceptional durability, while alumina ceramic insulation and anti-corrosion plating support long service life.
NGK Ruthenium HX Spark Plug Box of 4 (LTR5AHX)