NGK-CR9EIX
NGK CR9EIX (3521) Iridium Spark Plug
🔹 Overview
High-performance iridium spark plug designed for precise ignition, enhanced throttle response, improved fuel efficiency, and long service life. Ideal for motorcycles, ATVs, and high-performance small engines.
🔹 Specifications
Thread Diameter: 10 mm
Reach: 19 mm
Hex Size: 12 mm (7/16")
Seat Type: Flat
Electrode Material: Iridium center, nickel ground
Heat Range: 9
Resistor: Yes
Gap: 0.6 mm (pre-set)
🔹 Applications
Commonly used in:
Honda CBR600RR (2003–2006)
Yamaha R1 (2004–2008)
Ducati Monster 696 / 796 (2008–2014)
Kawasaki Ninja ZX-6R (2004–2006)
High-performance ATVs and sport motorcycles
Note: Always verify engine code or VIN for exact fitment.
🔹 Cross References
Denso: IXEH22
Bosch: FR9EI33X
Champion: RA9HC
🔹 Order Information
MOQ: 4000-5000 pcs
Shipping: Air/Sea
Warranty: 12 months

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