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The NGK Ruthenium HX spark plug is a high-ignitability option for newer engines requiring advanced tip technology, offering quicker throttle response, smoother idle and improved cold starts. Patented ruthenium tips and OEM DFE/PSPE designs focus spark energy for reliable combustion across lean and rich conditions. With a fine ruthenium center, platinum ground, pure alumina insulator and corrosion-resistant plating, it prioritizes durability and consistent performance.
NGK Ruthenium HX Spark Plug Box of 4 (LKR7BHX)
