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The NGK Laser Iridium spark plug combines a fine iridium center electrode and a durable platinum ground pad to deliver long service life and consistent spark for OE-equivalent replacement. High-grade alumina ceramic and a 98% copper core aid heat control and reliable starting. Trivalent plating and triple seals resist corrosion and leakage; recommended for rotary engine applications where even electrode wear matters.
NGK Laser Iridium Leading Spark Plugs Box of 4 (RE7C-L)
