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The NGK Laser Iridium spark plug provides a durable fine-wire iridium center electrode paired with high-grade alumina ceramic and a copper core for reliable starts and long life. Many Laser Iridium models include a platinum ground surface for even wear in modern ignition systems. The combination of materials and tip design supports consistent spark delivery and stability across a range of operating conditions for performance-oriented engines.
NGK Laser Iridium Spark Plug Box of 4 (MR7BI-8)
