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NGK Ruthenium HX High Ignitability spark plugs use patented ruthenium tip technology to deliver elevated ignitability and extended tip life for modern engines. Double Fine Electrode (DFE) and PSPE tip designs concentrate spark energy for more complete combustion, improving throttle response, cold starts and idle smoothness. Ruthenium center electrodes provide industry-leading durability for vehicles that demand high ignitability performance.
NGK Ruthenium HX Spark Plug Box of 4 (LKAR6AHX)
