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The NGK Iridium IX spark plug offers extreme ignitability and anti-fouling for high-performance or modified applications. Its fine iridium tip and tapered cut ground electrode improve starting, idle stability and throttle response while promoting fuel efficiency and long life. Trivalent metal plating protects against corrosion and seizing, making this plug a reliable upgrade for drivers seeking sharper response and consistent spark under demanding conditions.
NGK Iridium IX Spark Plug Box of 4 (LFR6AIX)
