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The NGK Laser Iridium spark plug box of 4 balances performance and longevity with OE-grade iridium tip technology. Fine-wire iridium center electrodes provide high durability and consistent spark, while most plugs include a platinum ground pad for even wear in distributorless ignition systems. High-grade alumina ceramic insulators and a copper core help control heat and ensure reliable starts; trivalent plating reduces corrosion and eases service.
NGK Laser Iridium Spark Plug Box of 4 (LZFR5CI-11)
