NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug. NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. HYUNDAI 2011-07; INFINITI 2010-01; KIA 2011-06; NIS 2009-00; SCION 2014-11; SUZ 2012-09; TOYOTA 2014-09

RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Trivalent metal plating for superior anti-corrosion and anti-seizing properties
Outstanding acceleration, high fuel efficiency and durability
Fine iridium tip ensures durable and consistent spark

The NGK Iridium IX Spark Plug LFR5AIX-11 is engineered for automotive enthusiasts seeking reliable and efficient performance. Designed to enhance acceleration, fuel economy, and longevity, this spark plug features a tapered cut ground electrode that improves starting, idle stability, and throttle response. Its fine iridium tip ensures a durable and consistent spark, contributing to optimal engine operation. With a trivalent metal plating, it offers superior anti-corrosion and anti-seizing properties, making it ideal for modified or high-performance applications as an upgrade from standard nickel alloy plugs. The iridium alloy's high melting point ensures dependable performance under demanding conditions, providing a longer service life compared to traditional spark plugs. This product is compatible with various vehicles, including certain models of Hyundai, Nissan, Kia, Infiniti, Scion, Suzuki, and Toyota, and is suitable for engines requiring high-performance ignition components. The box contains four spark plugs, making it convenient for comprehensive engine upgrades or replacements. Whether you're enhancing your vehicle's power output or maintaining peak efficiency, the NGK Iridium IX spark plugs are a reliable choice for ensuring smooth engine operation and improved driving experience.

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