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The NGK Iridium IX spark plug delivers high ignitability and long life aimed at enthusiasts and modified applications. Its fine iridium tip offers durable, consistent sparks and improved throttle response, while the tapered ground electrode helps starting and idling. Trivalent plating reduces corrosion and seizing, and robust insulator construction supports reliable operation. Supplied as an OE-equivalent upgrade in a box of four.
NGK Iridium Spark Plug Box of 4 (ZFR6FIX-11)
