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NGK Copper Core spark plugs combine classic copper performance with NGK’s high-grade alumina silicate ceramic insulator for dependable OE-equivalent operation. A 98% pure copper core offers excellent heat dissipation and conductivity across wide heat ranges, while trivalent metal plating helps prevent corrosion and seizure during installation. These plugs are constructed for reliable starts and consistent performance in standard engine applications.
NGK Copper Core Spark Plug Box of 4 (BKUR6ET-10)
