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The NGK Laser Iridium spark plug box of four balances longevity and performance for OE and enthusiast applications. A fine-wire iridium center electrode delivers durable, stable sparks and the iridium tip resists wear at high temperatures. High-grade alumina ceramic and a copper core aid heat management while trivalent plating and triple seals guard against corrosion, helping ensure reliable starts, fuel efficiency and extended service life.
NGK Laser Iridium Long Life Spark Plugs Box of 4 (IZFR6K-11S)
