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The NGK Laser Iridium spark plug combines a fine-wire iridium center electrode with OE-grade construction to provide long service life and consistent ignition. Iridium’s hardness and high melting point resist electrode wear, while a high-grade alumina ceramic insulator and 98% copper core help manage heat. Many Laser Iridium plugs also include a platinum pad on the ground electrode for even wear in distributorless ignition systems.
NGK Laser Iridium Spark Plug Box of 4 (CR8EIB-10)
