The NGK Ruthenium HX spark plug is a high-ignitability replacement for modern engines, tuned to deliver quicker throttle response, smoother idle and improved cold starts. Patented ruthenium tip and Double Fine Electrode (DFE) design concentrate spark energy for a more complete fuel burn. With a 0.4mm ruthenium center wire, 0.8mm platinum ground and pure alumina insulator, it offers durability, anti-corrosion plating and improved heat transfer for longer service life.
NGK Ruthenium HX Spark Plug Box of 4 (LKAR8BHX)