NGK SPARK PLUG CR9EIX 3521, NG3521

NGK Iridium IX Spark Plug – CR9EIX (3521)

Key Features:

• Iridium Alloy Electrode: The highly advanced iridium electrode is 25% smaller than platinum and 1/4 the size of a conventional nickel electrode. This enables superior ignition performance and efficiency.
• Fine Wire Center Electrode: Reduces voltage requirements for ignition, extending the lifespan of your ignition system while providing a more reliable spark.
• High Melting Point: Iridium has a very high melting point, ideal for today’s high-tech, high-performance engines, ensuring durability under extreme conditions.
• Corrosion-Resistant Plating: The new metal shell plating has enhanced anti-corrosion properties, ensuring the spark plug lasts longer and remains reliable.
• Corrugated Ribs: Prevents flashover and improves the stability of the spark.
• Superior Ceramic Insulator: Made from pure alumina silicate, ensuring high strength and better heat transfer for long-lasting performance.

Specifications:

• Heat Range: 9
• Thread Size: 10 mm
• Type: Resistor
• Units: Sold individually
• Weight: 0.12 lbs
• Alternate/OEM Part Numbers: 3521, CR9EIX
• Electrode Material: Iridium (fine wire center electrode)
• Hex Size: 5/8″ (16mm)
• Reach: 19mm (3/4″)
• Seat Type: Gasket Seat
• Gap: 0.031″ (0.8mm)
• Terminal Type: Stud Terminal Threads
• Plating: Trivalent metal plating for corrosion resistance
• Seal Type: Triple Seals

Applications:

The NGK Iridium IX Spark Plug – CR9EIX is ideal for high-performance motorcycles, ATVs, and other vehicles that require superior ignition performance. Some of the compatible models include:

Ducati:

• ST3 (2004-2005)

Kawasaki:

• ZX600E Ninja ZX-6 (1993-2008)
• ZX600F Ninja ZX-6R (1995-2007)
• ZX600G Ninja ZX-6R (1998-1999)
• ZX1000 Ninja ZX-10R (2004-2007)

Piaggio:

• MP3 250 (2007-2010)

Polaris:

• Ranger 570 RZR (2012-2014)
• Ranger 900 XP (2014-2016)
• Ranger 900 Crew (2014-2015)

Suzuki:

• GSX1300R Hayabusa (1999-2018)
• GSX-R1000 (2001-2018)
• GSX-R600 (2001-2008)
• GSX-R750 (2001-2018)

Yamaha:

• YZF600R (1994-2007)
• YZF750R (1998)

Benefits:

• Improved Engine Performance: The fine wire center electrode and iridium material ensure a more efficient spark, leading to better acceleration, throttle response, and overall performance.
• Enhanced Durability: The high-quality iridium electrode and anti-corrosion features ensure a longer lifespan, reducing the frequency of spark plug replacements.
• Better Fuel Efficiency: The improved ignition system reduces misfires and optimizes combustion, improving fuel efficiency and reducing emissions.
• Heat Management: The superior heat transfer properties of the ceramic insulator and copper core ensure that the spark plug performs well under high-temperature conditions, preventing overheating and ensuring consistent performance.

Overview:

The NGK Iridium IX Spark Plug – CR9EIX is designed for performance enthusiasts who demand the best from their engine’s ignition system. Whether you’re riding a high-performance motorcycle like the Kawasaki Ninja ZX-6 or Suzuki GSX1300R Hayabusa, this spark plug will provide the reliability, durability, and performance needed for top-level engine efficiency. The iridium center electrode, combined with advanced materials and design, makes it a top choice for anyone seeking enhanced engine performance and fuel efficiency.