NGK Single Iridium Spark Plug Box of 4 (TR8IX)

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. 2006-2000 ASTON MARTIN, 2006 CHEVROLET, 2009-1996 FORD, 2006-2002 JAGUAR, 2005 LINCOLN, 2005-2003 MAZDA, 2007-2003 MERCURY (COLDER HEAT RANGE THAN OE)

• 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, part number TR8IX, is engineered for automotive enthusiasts seeking enhanced engine performance and reliability. Designed with a tapered cut ground electrode, this spark plug offers improved starting, smoother idling, and responsive throttle performance. Its fine iridium tip ensures consistent spark delivery, contributing to outstanding acceleration, fuel efficiency, and long-lasting durability. The iridium alloy's high melting point makes it suitable for modern engines subjected to high stress and extreme conditions. Recommended for modified or high-performance applications, the NGK Iridium IX provides superior anti-fouling properties and resistance to corrosion thanks to its trivalent metal plating. This spark plug is an ideal upgrade over OE nickel alloy plugs, delivering precise ignition and enhanced engine responsiveness. Suitable for a variety of vehicles including models from Aston Martin, Chevrolet, Ford, Jaguar, Lincoln, Mazda, and Mercury, this plug is a reliable choice for performance tuning and everyday driving. Packaged as a set of four, it ensures ample replacement for multiple cylinders, maintaining optimal engine operation across your vehicle’s lifespan.

Features:

• Tapered cut ground electrode for improved starting, idling, and throttle response

• Iridium fine wire center electrode provides durability six times greater than platinum

• High melting point iridium alloy withstands extreme engine conditions

• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties

• Designed for modified or high-performance applications as an upgrade to OE spark plugs