The NGK Standard copper-core spark plug supplies dependable OE-equivalent performance for everyday use. It features a high-grade ceramic insulator for strong dielectric properties, a solid copper core for superior heat dissipation, triple-seal construction to prevent combustion gas leakage, and trivalent metal plating to resist corrosion and seizing. These plugs offer reliable service life across wide heat ranges where nickel alloy plugs were originally fitted.
NGK Copper Spark Plug Box of 4 (DCPR8E)