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The NGK Standard spark plug offers trusted OE‑quality ignition with robust construction and long service life. High‑grade alumina silicate ceramic insulators improve dielectric strength while a 98% pure copper core enhances heat removal and conductivity. Triple seals prevent combustion gas leakage and trivalent plating reduces corrosion and seizing for easier installation and dependable operation as an OE or equivalent replacement.
NGK Standard Spark Plug Box of 4 (MR9F)
