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NGK Laser Iridium long-life spark plugs pair extended service life with stable ignitability for drivers seeking durable OE-equivalent replacements. A fine iridium center electrode resists wear and delivers consistent sparks, while high-grade alumina ceramic and a 98% copper core help control heat and promote reliable starts. Many Laser Iridium plugs also use a platinum pad on the ground electrode for even wear in modern ignition systems.
NGK Laser Iridium Long Life Stock Heat Spark Plug (Box of 4)
