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NGK Laser Iridium spark plugs provide OE-equivalent longevity and consistent ignitability with a fine iridium center electrode and premium insulator materials. The iridium tip offers extended durability compared with platinum while the alumina ceramic insulator and 98% copper core help dissipate heat for reliable starting. Many Laser Iridium plugs include a platinum pad on the ground electrode to promote even wear in distributorless systems.
NGK Iridium Spark Plug Box of 4 (IZFR6F11)
