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
2001	Acura	Integra	Type R
2002-2006	Acura	RSX	Type-S
2008	Honda	Civic	MUGEN Si
2006-2011	Honda	Civic	Si
2000-2009	Honda	S2000	Base
2008-2009	Honda	S2000	CR
2000-2007	Honda	XR650R	Base
2002-2003	Saab	9-5	Arc
1999-2001	Saab	9-5	SE