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
1989-1990	Honda	CB400F CB-1	Base
2002-2007	Honda	CB900F 919	Base
1993-1999	Honda	CBR900RR	Base
2002-2009	Honda	CHF50 Metropolitan	Base
2002-2005	Honda	CHF50P Metropolitan II	Base
2007-2009,2012-2019	Honda	CRF150R	Base
2007-2009,2012-2017,2019	Honda	CRF150R Expert	Base
2002-2010	Honda	FSC600 Silver Wing	Base
2003-2013	Honda	FSC600A Silver Wing ABS	Base
2003-2009,2011-2020	Honda	NPS50 Ruckus	Base
2004-2009	Honda	NPS50S Ruckus	Base
2015	Honda	PCX150	Base
2010	Honda	SH150i	Base
1991-2003	Honda	ST1100	Base
1992-2003	Honda	ST1100 ABS	Base
1994-2003	Honda	VF750C Magna	Base
1995-1996	Honda	VF750CD Magna Deluxe	Base
1990-1997	Honda	VFR750F Interceptor	Base
1990	Honda	VFR750R RC30	Base
1998-2001	Honda	VFR800 Interceptor	Base
1989-1990	Honda	VTR250 Interceptor	Base
1996-2004	Honda	XR250R	Base