NGK Iridium Spark Plug Box of 4 (LFR7AIX)

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. O/B - 2006-2001 MERCURY, 2005-2000 YAMAHA (COLDER HEAT RANGE THAN OE), PWC- 2014 YAMAHA

• 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 plugs are engineered for automotive enthusiasts seeking superior engine performance and reliability. Designed with a fine iridium center electrode, these plugs offer six times the durability of platinum and are suitable for modified or high-performance engines. The tapered cut ground electrode enhances starting, idling, and throttle response, providing quick ignition and smooth acceleration. Trivalent metal plating ensures excellent anti-corrosion and anti-seizing properties, extending the lifespan of the plugs. These plugs are ideal for applications requiring improved fuel efficiency and consistent ignition, making them a popular upgrade from standard nickel alloy spark plugs.
With compatibility for a range of vehicles including 2006 Mitsubishi Lancer models and 2014 Yamaha WaveRunners, the NGK Iridium IX plugs deliver outstanding acceleration and durability across various performance applications. Their high melting point allows for reliable operation under demanding conditions, ensuring engine responsiveness and efficiency. Whether you're upgrading your vehicle or enhancing your watercraft's ignition system, these plugs provide the performance and durability needed to optimize engine operation.
Each box contains four NGK Iridium IX spark plugs, packed with features designed for high-performance use. Their superior anti-fouling properties and consistent spark delivery make them suitable for modified or high-performance engines, as well as everyday vehicles that demand reliable ignition. The plugs are easy to install and come with a recommended heat range that ensures optimal combustion and engine health. For even greater performance, NGK also offers the Ruthenium HX plugs, which can be considered as an upgrade option.

Features:

• Iridium center electrode offers six times the durability of platinum

• Tapered cut ground electrode improves starting, idling, and throttle response

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

• Designed for high performance, modified, or upgraded engine applications

• Compatible with a variety of vehicles including Mitsubishi Lancer and Yamaha WaveRunners

Fitment:
Mitsubishi Lancer Evolution 2006
Mitsubishi Lancer Evolution MR 2006
Mitsubishi Lancer Evolution RS 2006
Mitsubishi Lancer Evolution SE 2006
Yamaha FC1800 WaveRunner FX Cruiser SVHO Base 2016
Yamaha FC1800 WaveRunner FX SVHO Base 2014
Yamaha FC1800 WaveRunner FX SVHO Base 2015
Yamaha FC1800 WaveRunner FX SVHO Base 2016
Yamaha FC1800A WaveRunner FX Cruiser SVHO Base 2014
Yamaha FC1800A WaveRunner FX Cruiser SVHO Base 2015
Yamaha FC1800A WaveRunner FX Cruiser SVHO Base 2016
Yamaha GX1800 WaveRunner FZR Base 2014
Yamaha GX1800 WaveRunner FZR Base 2015
Yamaha GX1800 WaveRunner FZR Base 2016
Yamaha GX1800A WaveRunner FZS Base 2014
Yamaha GX1800A WaveRunner FZS Base 2015
Yamaha GX1800A WaveRunner FZS Base 2016