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
2002-2005	Aprilia	RS 50	Base
2004-2005	Aprilia	Tuono 50	Base
1986-1988	Arctic Cat	Cheetah 500 F/C	Base
1988-1991	Arctic Cat	Cheetah Touring	Base
1985-1990	Arctic Cat	Cougar	Base
1989-1990	Arctic Cat	Cougar Mountain Cat	Base
1985	Arctic Cat	Cougar SE	Base
1974	Arctic Cat	El Tigre 295	Base
1977,1987-1988	Arctic Cat	El Tigre 5000	Base
1981	Arctic Cat	El Tigre 5000 F/C	Base
1986	Arctic Cat	Jag	Base
1981	Arctic Cat	Jag 4000	Base
1987-1988	Arctic Cat	Jag 440	Base
1989-1990	Arctic Cat	Jag AFS	Base
1992-1993	Arctic Cat	Lynx Mountain Cat	Base
1979-1981,1985-1991	Arctic Cat	Pantera	Base
1978	Arctic Cat	Pantera 5000 F/A	Base
1978	Arctic Cat	Pantera 5000 F/C	Base
1980-1981	Arctic Cat	Pantera ES (Electric Start)	Base
1979-1981,1984-1990	Arctic Cat	Panther	Base
1977-1978	Arctic Cat	Panther 4000	Base
1973	Arctic Cat	Panther 440	Base
1990	Arctic Cat	Panther Mountain Cat	Base
1981	Arctic Cat	Panther West	Base
1997	Arctic Cat	Powder Extreme	Base
1994-1997	Arctic Cat	Puma	Base
1994-1997	Arctic Cat	Puma 2-Up	Base
1973	Arctic Cat	Puma 440	Base
1994-1997	Arctic Cat	Puma Deluxe	Base
1987-1990	Arctic Cat	Super Jag	Base
1980-1981	Arctic Cat	Trail Cat 400	Base
1990	Arctic Cat	Wildcat 650	Base
1990	Arctic Cat	Wildcat Mountain Cat	Base
1977	Arctic Cat	Z 250	Base
1977-1979	Bultaco	Pursang 250	Base
1977	Can-Am	175 MX-3	Base
1980	Can-Am	400 MX-6	Base
2012-2018	Cobra	CX65	Base
1998-1999	Cobra	KING	Base
2010	Gas Gas	EC 125	Base
2001	Gas Gas	EC Rookie 50	Base
2004	Gas Gas	SM 50	Base
1976-1977	Harley-Davidson	SS125	Base
1976-1977	Harley-Davidson	SS175	Base
1975-1977	Harley-Davidson	SS250	Base
1974-1975	Harley-Davidson	SX175	Base
1976-1977	Harley-Davidson	SXT125	Base
1984-1986	Honda	ATC250R	Base
1999-2007	Honda	CR125R	Base
1973-1976	Honda	CR250M	Base
1978-1981,1987-1988	Honda	CR250R	Base
1983-1984	Honda	CR60R	Base
1980-1985	Honda	CR80R	Base
1982-1984	Honda	FL250 Odyssey	Base
2004	Honda	NSR50	Base
1987-1988	Honda	TRX250R	Base
1998-2006,2009-2010,2012	Husqvarna	CR125	Base
2010	Husqvarna	SM 125	Base
1991	Husqvarna	WME 250	Base
1998-2006,2009-2012	Husqvarna	WR125	Base
2010	Husqvarna	WRE 125	Base
1992-1993,1996-1997	Husqvarna	WXC 250	Base
1990-1991,1994-1997	Husqvarna	WXE 250	Base
1991	Husqvarna	WXE 260	Base
1982-1986	Husqvarna	XC125	Base
1981-1982	John Deere	Liquifire 440	Base
1981-1982	John Deere	Sportfire	Base
1981-1982	John Deere	Trailfire 440	Base
1980-1982	Kawasaki	KDX175	Base
1983-1996	Kawasaki	KDX200	Base
1984,1991-1994	Kawasaki	KDX250	Base
1984	Kawasaki	KDX80	Base
1982	Kawasaki	KE125	Base
1974-1976,1978-1982,1994-2002	Kawasaki	KX125	Base
1974-1976,1978-1982,1986-1987,1989-1991	Kawasaki	KX250	Base
1975-1976	Kawasaki	KX400	Base
1980-1981	Kawasaki	KX420	Base
1983-1984	Kawasaki	KX500	Base
1983-2001	Kawasaki	KX60	Base
1980-1991	Kawasaki	KX80	Base
1987-1991	Kawasaki	KX80 Big Wheel	Base
1983-1985	Kawasaki	ZX750 GPZ	Base
1984-1985	Kawasaki	ZX750E Turbo	Base
2007	KTM	105 SX	Base
1993	KTM	125 EXC	Base
1997-1998	KTM	125 Sting	Base
2003-2004	KTM	200 SX	Base
1990-1995	KTM	250 EXC	Base
1984-1988	KTM	250 MXC	Base
1992-1995	KTM	250 SX	Base
1990-1992	KTM	300 DXC	Base
1990-1995	KTM	300 EXC	Base
1990,1993-1994	KTM	300 MXC	Base
1992	KTM	300 SX	Base
1989-1990	KTM	350 EXC	Base
1985-1988	KTM	350 MXC	Base
1985-1986	KTM	500 MXC	Base
1992	KTM	500 SX	Base
1993-1994	KTM	550 MXC	Base
2007	KTM	85 SX (17/14)	Base
2007	KTM	85 SX (19/16)	Base
2008	KTM	85 XC	Base
1999-2006	LEM	LX4	Base
2007	Piaggio	Typhoon	Base
2006-2010	Polini	X1R	Base
2006-2010	Polini	X3P Air	Base
2006-2010	Polini	X3R	Base
2006-2010	Polini	X5P Air	Base
2007-2010	Polini	X5P Liquid	Base
2010	Polini	XP65R	Base
1971	Sno-Jet	S/S Jet 292	Base
1971	Sno-Jet	S/S Jet 338	Base
1971	Sno-Jet	S/S Jet 433	Base
1972	Sno-Jet	SST 292	Base
1972	Sno-Jet	SST 338	Base
1973-1974	Sno-Jet	SST 340	Base
1972	Sno-Jet	SST 433	Base
1973-1976	Sno-Jet	SST 440	Base
1975-1976	Sno-Jet	SST F/A 340	Base
1975-1976	Sno-Jet	SST F/A 440	Base
1972	Sno-Jet	Star-Jet +2 338	Base
1970-1972	Sno-Jet	Star-Jet 292 Hirth	Base
1971,1973	Sno-Jet	Star-Jet 338	Base
1973	Sno-Jet	Star-Jet 433	Base
1970	Sno-Jet	Super-Jet 338	Base
1972	Sno-Jet	Super-Jet 433	Base
1976-1977	Suzuki	GT250	Base
1985-1992	Suzuki	LT250R QuadRacer	Base
1978	Suzuki	PE175	Base
1980	Suzuki	PE250	Base
1980-1981	Suzuki	PE400	Base
1976-1981	Suzuki	RM100	Base
1975-1980,1982-1995	Suzuki	RM125	Base
1976-1981	Suzuki	RM250	Base
1976-1977	Suzuki	RM370	Base
1982	Suzuki	RM465	Base
2003	Suzuki	RM60	Base
1982,1984-1985	Suzuki	RM80	Base
1993-1998	Suzuki	RMX250	Base
1981	Suzuki	RS250	Base
1995-2003	TM	125E	Base
1995-2003	TM	250E	Base
1996-2003	TM	300E	Base
1995-2000	TM	80E	Base
2009	TM	EN125	Base
2009	TM	EN144	Base
1995-2003,2009-2012	TM	MX125	Base
2009,2011	TM	MX144	Base
1995-2003,2011-2012	TM	MX250	Base
1998-2003,2011-2012	TM	MX300	Base
1995-2000	TM	MX80	Base
2009	TM	MX85 (17/14)	Base
2009	TM	MX85 (19/16)	Base
2009	TM	SMM125	Base
2009	TM	SMR125	Base
2001	Vespa	ET2	Base
1969-1971	Yamaha	AT1	Base
1970-1971	Yamaha	AT1M	Base
1972	Yamaha	AT2M	Base
1980-1981	Yamaha	DT175	Base
1974	Yamaha	DT360	Base
1975-1976	Yamaha	DT400	Base
1972-1973	Yamaha	EW643	Base
1976-1978	Yamaha	EX340	Base
1976-1981	Yamaha	EX440	Base
1973-1974	Yamaha	GP292	Base
1974-1975	Yamaha	GPX338	Base
1974-1975	Yamaha	GPX433	Base
1980-1981	Yamaha	IT125	Base
1979-1983	Yamaha	IT175	Base
1984-1985	Yamaha	IT200	Base
1977-1983	Yamaha	IT250	Base
1974-1976	Yamaha	MX125	Base
1975	Yamaha	MX400	Base
1970-1971	Yamaha	RT1	Base
1972-1973	Yamaha	RT2	Base
1973	Yamaha	RT3	Base
1973,1978	Yamaha	SR433	Base
1973,1975	Yamaha	SR643	Base
1976-1980	Yamaha	SRX440	Base
1969	Yamaha	SS338	Base
1971	Yamaha	SS433	Base
1976	Yamaha	TY175	Base
1992	Yamaha	WR200	Base
1982	Yamaha	YZ100	Base
1974-1976,1982-2017	Yamaha	YZ125	Base
1974-1982,1984-1987	Yamaha	YZ250	Base
1980	Yamaha	YZ50	Base
1981-1983	Yamaha	YZ60	Base
1982-1983	Yamaha	YZ80	Base