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The NGK Ruthenium HX High Ignitability spark plug uses patented Ruthenium tip technology to deliver high ignitability and extended life for modern engines. Specialized DFE and PSPE tip designs concentrate spark energy for more complete combustion, improving throttle response, idle smoothness and cold starts. Ruthenium center electrodes provide exceptional durability, making these plugs suitable for newer engines that demand advanced ignitability characteristics.
NGK Ruthenium HX Spark Plug Box of 4 (FR5AHX)
