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The NGK Copper Core spark plug is an OE-style replacement designed for dependable combustion and heat control. It pairs a 98% pure copper core with a high-grade alumina silicate ceramic insulator to improve dielectric strength and heat removal. Trivalent plating reduces corrosion and seizure during service, while triple gasket sealing and corrugated ribs help prevent leaks and flashover for consistent long-term performance in standard engine applications.
NGK Copper Core Spark Plug Box of 4 (BCPR6ES-11)
