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NGK Laser Iridium spark plugs, box of four (SILFER8C7ES), are engineered for the performance enthusiast seeking consistent, durable ignition. The fine-wire center electrode and iridium alloy tip offer a stable spark and high melting point suited to modern engines. A pure alumina silicate ceramic insulator improves strength and heat transfer, trivalent plating resists corrosion and seizing, a copper core aids heat removal, and triple seals prevent leakage.
NGK Laser Iridium Spark Plug Box of 4 (SILFER8C7ES)
