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The NGK Racing spark plug is made to withstand severe racing conditions, featuring unique center electrode configurations that prioritize durability and consistent ignitability across varied heat ranges. Built with corrosion-resistant trivalent plating, robust alumina-silicate ceramic insulation, corrugated ribs to prevent flashover and a copper core to assist heat removal, these plugs are intended for rigorous competition use where reliability matters.
NGK Racing Spark Plug Box of 4 (R5673-10)
