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NGK Copper Core spark plugs are a proven OE-style solution featuring a solid copper core for superior heat dissipation and wide heat range capability. High-grade alumina silicate ceramic insulators improve dielectric performance while trivalent metal plating resists corrosion and seizing. Triple gasket sealing prevents combustion leakage, making these plugs reliable replacements for routine service.
NGK Copper Core Spark Plug Box of 10 (LMAR9D-J)
