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The NGK Copper Core spark plug is a reliable OE-style replacement featuring a solid 98% copper core for superior heat dissipation and conductivity. High-grade alumina silicate ceramic increases insulator strength while trivalent metal plating resists corrosion and seizing. Triple seals prevent combustion gas leakage and corrugated ribs reduce flashover, delivering consistent starts and dependable operation across a broad range of everyday engines.
NGK Copper Core Spark Plug Box of 4 (BP6HS)
