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.

This Part Fits:

Year	Make	Model	Submodel
2013-2019	Honda	CB500F	Base
2013-2016,2019	Honda	CB500F ABS	Base
2013-2020	Honda	CB500X	Base
2013-2016,2019-2020	Honda	CB500X ABS	Base
2013-2020	Honda	CBR500R	Base
2013-2016,2019-2020	Honda	CBR500R ABS	Base
2017-2020	Honda	CMX500 Rebel 500	Base
2019-2020	Honda	CMX500 Rebel 500 ABS	Base
2006-2009,2012-2017	Honda	CRF150F	Base
2017-2020	Honda	NCW50 Metropolitan	Base
2010	Honda	NT700V	Base
2011	Honda	NT700VA ABS	Base
2015-2016,2018-2019	Yamaha	FJR1300A	Base
2013-2014	Yamaha	FJR1300A ABS	Base
2014-2016,2018	Yamaha	FJR1300ES	Base
2019	Yamaha	WR450F	Base
2015-2019	Yamaha	XC155 SMAX	Base
2018-2019	Yamaha	YZ450F	Base
2019-2020	Yamaha	YZ450FX	Base