Enhance your vehicle's performance with the NGK CR9EIX Iridium IX Spark Plug, designed to deliver unparalleled reliability and efficiency. Ideal for a range of models from Yamaha, Kawasaki, Triumph, and Aprilia, this spark plug is engineered to fit seamlessly, ensuring a perfect match for your ignition system. With a manufacturer part number of 3521 and reference OE/OEM number also 3521, you can be confident in the quality and compatibility of this product. Upgrade your ignition components and enjoy the benefits of a top-tier spark plug that's recognized for its exceptional durability and spark performance.
NGK Part Number: 3521
Fitment List: 
YamahaYZF-R32015 Present
 
Yamaha MT-03 (321cc) 2016 Present
 
Kawasaki Ninja 300 (EX300)2013 -2017
 
KawasakiNinja 400 (EX400) 2018 - Present
 
KawasakiZ300 / Z4002015 Present
 
KawasakiNinja ZX-6R (636) 2013 - Present
 
SuzukiGSX-R600 2011 - Present
 
SuzukiGSX-R750 2011- Present
 
SuzukiGSR750 / GSX-S750 2011 - 2022