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NGK Laser Iridium spark plugs feature a durable fine-wire iridium center electrode for extended service life and consistent spark performance. The high-grade alumina ceramic insulator and copper core assist heat dissipation and reliable starting, while many Laser Iridium models include a platinum pad on the ground electrode to promote even wear in distributorless ignition systems. Suitable as OE-equivalent replacements.
NGK Laser Iridium Spark Plug Box of 4 (IZFR5L11)
