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The NGK Iridium IX spark plug set delivers extreme ignitability, improved throttle response and long-life anti-fouling for modified or high-performance applications. A fine iridium center electrode and tapered-cut ground electrode produce a durable, consistent spark that helps starting, idling and throttle response while iridium's high melting point supports durability and fuel efficiency.
NGK Iridium IX Spark Plug Box of 4 (DCPR7EIX)
