The NGK Traditional spark plug box of 4 provides OE-quality nickel alloy ignition for everyday use and replacement needs. High-grade alumina silicate ceramic insulator improves dielectric strength and heat transfer while triple gasket sealing prevents combustion gas leakage. A 98% pure copper core enhances heat dissipation and conductivity, and trivalent metal plating reduces corrosion and seizing for smoother installation and extended service life.
NGK Traditional Spark Plug Box of 4 (BR7ES)