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The NGK Racing spark plug is intended for extreme applications, offering configurations that stand up to rigorous engine demands. Its tailored center electrodes and insulator noses enhance throttle response and durability, supported by trivalent plating that eases installation and removal. Corrugated ribs and a copper core work to prevent flashover and assist heat removal. Packaged as a box of four for racing use.
NGK Racing Spark Plug Box of 4 (R6725-115)
