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.

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.

Vehicle Fitment:

• 2006 Land Rover LR3 Base
• 2005-2007 Land Rover LR3 SE
• 1996-1997 Isuzu Hombre S
• 1996-1997 Isuzu Hombre XS
• 1996 Buick Century Limited
• 1994 Buick Century Custom
• 1994-1996 Buick Century Special
• 1994-1996 Chevrolet Beretta Base
• 1995-1997 Chevrolet Cavalier Base
• 1995-1997 Chevrolet Cavalier LS
• 1994 Chevrolet Cavalier RS
• 1997 Chevrolet Cavalier RS
• 1994 Chevrolet Cavalier VL
• 1994-1996 Chevrolet Corsica Base
• 1994-1995 Chevrolet LLV Base
• 1994-1997 Chevrolet S10 Base
• 1994-1997 Chevrolet S10 LS
• 1994-1997 GMC Sonoma SL
• 1994-1997 GMC Sonoma SLS
• 1994-1997 GMC Sonoma SLE
• 1994-1996 Oldsmobile Cutlass Ciera S
• 1995-1997 Pontiac Sunfire SE
• 1987-1991 Ford Country Squire Base
• 1987-1991 Ford Country Squire LX
• 1985-1986 Ford LTD Base
• 1985-1986 Ford LTD Brougham
• 1986 Ford LTD Country Squire
• 1986 Ford LTD Country Squire LX
• 1986 Ford LTD Crown Victoria
• 1986 Ford LTD Crown Victoria LX
• 1998-2002 Ford E-150 Econoline Base
• 1998-2000 Ford E-150 Econoline XL
• 2003 Ford E-150 Base
• 2003 Ford E-150 Club Wagon XL
• 2003 Ford E-150 Club Wagon XLT
• 2003 Ford E-150 Club Wagon Chateau
• 1998-2002 Ford E-150 Econoline Club Wagon Custom
• 1998-2002 Ford E-150 Econoline Club Wagon XLT
• 1998-2002 Ford E-150 Econoline Club Wagon Chateau
• 1998-2002 Ford E-250 Econoline Base
• 1998-2000 Ford E-250 Econoline XL
• 2003 Ford E-250 Base
• 1991-1999 Ford Escort Base
• 2001-2002 Ford Escort SE
• 1991-2000 Ford Escort LX
• 1996-1997 Ford Escort Sport
• 1991-1995 Ford Escort LX Sport
• 2006-2010 Ford Explorer Limited
• 2006 Ford Explorer XLS
• 2006-2010 Ford Explorer Eddie Bauer
• 2006-2010 Ford Explorer XLT
• 1998-2000 Ford F-150 Base
• 2005-2008 Ford F-150 STX
• 1998-2003 Ford F-150 XL
• 2005-2008 Ford F-150 XL
• 1998-2003 Ford F-150 XLT
• 2005-2008 Ford F-150 XLT
• 2000-2003 Ford Focus SE
• 2000-2004 Ford Focus LX
• 1994-1997 Ford Mustang Base
• 2005-2010 Ford Mustang Base
• 1986 Ford Mustang GT
• 1985-1986 Ford Mustang LX
• 2006-2011 Ford Ranger Sport
• 2006-2007 Ford Ranger STX
• 2001-2003 Ford Ranger XL
• 2005-2011 Ford Ranger XL
• 2001-2011 Ford Ranger XLT
• 2001-2005 Ford Ranger Edge
• 2005-2009 Ford Ranger FX4
• 2004 Ford Ranger Tremor
• 1988-1995 Ford Taurus GL
• 1995 Ford Taurus SE
• 1991 Ford Taurus L
• 1988-1995 Ford Taurus LX
• 1985-1992 Ford Thunderbird Base
• 1985-1997 Ford Thunderbird LX
• 1985-1988 Ford Thunderbird Sport
• 1985-1986 Ford Thunderbird Elan
• 1985 Ford Thunderbird Fila
• 1989-1995 Ford Thunderbird Super Coupe
• 1995 Ford Windstar GL
• 1995 Ford Windstar Base
• 1995 Ford Windstar LX
• 2006-2007 Ford Freestar Limited
• 2006-2007 Ford Freestar Base
• 2006-2007 Ford Freestar SE
• 2006-2007 Ford Freestar SEL
• 2004 Ford F-150 Heritage XL
• 2004 Ford F-150 Heritage XLT
• 2007-2010 Ford Explorer Sport Trac Limited
• 2007-2010 Ford Explorer Sport Trac XLT
• 1987-1991 Ford LTD Crown Victoria S
• 1987-1991 Ford LTD Crown Victoria Base
• 1987-1991 Ford LTD Crown Victoria LX
• 1986-1994 Lincoln Continental Base
• 1986-1994 Lincoln Continental Givenchy
• 1991-1994 Lincoln Continental Executive
• 1986-1987 Lincoln Mark VII Base
• 1986-1987 Lincoln Mark VII Bill Blass
• 1985-1986 Lincoln Mark VII LSC
• 1986-1990 Lincoln Town Car Base
• 1986-1990 Lincoln Town Car Signature
• 1990 Lincoln Town Car Executive
• 1986-1990 Lincoln Town Car Cartier
• 1990 Lincoln Town Car Cypress
• 1990 Lincoln Town Car Touring Edition
• 1989 Lincoln Town Car Signature SE
• 1984-1986 Mercury Capri GS
• 1986 Mercury Capri 5.0
• 1987-1991 Mercury Colony Park GS
• 1987-1991 Mercury Colony Park LS
• 1987-1991 Mercury Grand Marquis GS
• 1986 Mercury Grand Marquis Base
• 1986-1991 Mercury Grand Marquis LS
• 1986 Mercury Grand Marquis Colony Park
• 1985-1986 Mercury Cougar Base
• 1985-1992 Mercury Cougar LS
• 1987-1990 Mercury Cougar XR-7
• 1993-1997 Mercury Cougar XR-7
• 1983-1986 Mercury Marquis Base
• 1983-1986 Mercury Marquis Brougham
• 2007-2010 Mercury Mountaineer Base
• 2007-2010 Mercury Mountaineer Premier
• 2006 Mercury Mountaineer Luxury
• 2006 Mercury Mountaineer Convenience
• 1988-1995 Mercury Sable GS
• 1988-1995 Mercury Sable LS
• 1997-1999 Mercury Tracer GS
• 1991-1999 Mercury Tracer Base
• 1991-1999 Mercury Tracer Trio
• 2006-2007 Mercury Monterey Luxury
• 2002-2009 Mazda B4000 Base
• 2001 Mazda B4000 SE
• 2003-2008 Mazda B4000 SE
• 2001-2004 Mazda B4000 DS

What's Included:

• NGK Iridium IX Spark Plug Box of 4 (TR55-1IX)