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NGK Racing spark plugs are purpose-built for extreme competition, with special center electrode geometries and robust insulators to withstand high temperatures and loads. Features like trivalent plating, corrugated ribs to prevent flashover and copper cores for heat removal support consistent ignition and throttle response under racing conditions, making them a choice for track-focused engines.
NGK Racing Spark Plug Box of 4 (R2556G-9)
