Iridium IX Spark Plug Box of 4 (DR7EIX)

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. BMW M3 1991-88, M5 1988, M6 1988-87, ATV - 2005-1998 ARCTIC CAT, 1985-1984 KAWASAKI, 2006-2000 MIDWEST, 2007-2005 MOTOFINO, 2008-1985 SUZUKI, 2008-1983 YAMAHA, M/C - 1998-1984 BMW, 1978-1971 HONDA, 2006-2000 MIDWEST, 1984-1981 YAMAHA

• RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Outstanding acceleration, high fuel efficiency and durability
• Fine iridium tip ensures durable and consistent spark

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Clearance Item: t
Regular Stock: false
Units Per Sku: 4
Fitment:
Arctic Cat 250 2x4 Base 1999
Arctic Cat 250 2x4 Base 2000
Arctic Cat 250 2x4 Base 2001
Arctic Cat 250 2x4 Base 2002
Arctic Cat 250 2x4 Base 2003
Arctic Cat 250 2x4 Base 2004
Arctic Cat 250 2x4 Base 2005
Arctic Cat 250 4x4 Base 2001
Arctic Cat 250 4x4 Base 2002
Arctic Cat 250 4x4 Base 2003
Arctic Cat 250 4x4 Base 2004
Arctic Cat 250 4x4 Base 2005
BMW K100LT Base 1987
BMW K100LT Base 1988
BMW K100LT Base 1989
BMW K100LT Base 1990
BMW K100LT Base 1991
BMW K100LT Base 1992
BMW K100LT ABS Base 1989
BMW K100LT ABS Base 1990
BMW K100LT ABS Base 1991
BMW K100LT ABS Base 1992
BMW K100RS Base 1984
BMW K100RS Base 1985
BMW K100RS Base 1986
BMW K100RS Base 1987
BMW K100RS Base 1988
BMW K100RS ABS Base 1988
BMW K100RS ABS Base 1989
BMW K100RS FL Base 1991
BMW K100RS FL Base 1992
BMW K100RS FL ABS Base 1991
BMW K100RS FL ABS Base 1992
BMW K1100LT Base 1993
BMW K1100LT Base 1994
BMW K1100LT Base 1995
BMW K1100LT Base 1996
BMW K1100LT Base 1997
BMW K1100LT Base 1998
BMW K1100LT High Line Base 1997
BMW K1100LT Special Edition Base 1997
BMW K1100RS Base 1993
BMW K1100RS Base 1994
BMW K1100RS Base 1995
BMW K1100RS Base 1996
BMW K1100RS SE Base 1996
BMW K75 Base 1990
BMW K75 Base 1991
BMW K75 Base 1992
BMW K75 Base 1993
BMW K75 Base 1994
BMW K75C Base 1986
BMW K75C Base 1987
BMW K75C Base 1988
BMW K75RT Base 1990
BMW K75RT Base 1991
BMW K75RT Base 1992
BMW K75RT ABS Base 1991
BMW K75RT ABS Base 1992
BMW K75RT ABS Base 1993
BMW K75RT ABS Base 1994
BMW K75RT ABS Base 1995
BMW K75S Base 1987
BMW K75S Base 1988
BMW K75S Base 1989
BMW K75S Base 1990
BMW K75S Base 1991
BMW K75S Base 1992
BMW K75S Abs Base 1991
BMW K75S Abs Base 1992
BMW K75S Abs Base 1993
BMW K75S Abs Base 1994
BMW K75S Abs Base 1995
BMW K75T Base 1986
BMW K75T Base 1987
BMW M3 Base 1988
BMW M3 Base 1989
BMW M3 Base 1990
BMW M3 Base 1991
BMW M5 Base 1988
BMW M6 Base 1987
BMW M6 Base 1988
Honda CB550F Super Sport Base 1975
Honda CB550F Super Sport Base 1976
Honda CB550F Super Sport Base 1977
Honda CB550K Base 1974
Honda CB550K Base 1975
Honda CB550K Base 1976
Honda CB550K Base 1977
Honda CB550K Base 1978
Honda TL250 Base 1975
Honda TL250 Base 1976
Kawasaki KLT110 Base 1984
Kawasaki KLT110 Base 1985
Suzuki Alt125 Base 1983
Suzuki Alt125 Base 1984
Suzuki Alt125 Base 1985
Suzuki Alt125 Base 1986
Suzuki Alt185 Base 1985
Suzuki Lt-F230 Base 1987
Suzuki LT-F250 Ozark Base 2002
Suzuki LT-F250 Ozark Base 2003
Suzuki LT-F250 Ozark Base 2004
Suzuki LT-F250 Ozark Base 2005
Suzuki LT-F250 Ozark Base 2006
Suzuki LT-F250 Ozark Base 2007
Suzuki LT-F250 Ozark Base 2008
Suzuki LT-F250 Ozark Base 2009
Suzuki LT-F250 Ozark Base 2012
Suzuki LT-F250 Ozark Base 2013
Suzuki LT-F250 Ozark Base 2014
Suzuki LT-F250 QuadRunner Base 1988
Suzuki LT-F250 QuadRunner Base 1989
Suzuki LT-F250 QuadRunner Base 1990
Suzuki LT-F250 QuadRunner Base 1991
Suzuki LT-F250 QuadRunner Base 1992
Suzuki LT-F250 QuadRunner Base 1993
Suzuki LT-F250 QuadRunner Base 1994
Suzuki LT-F250 QuadRunner Base 1995
Suzuki LT-F250 QuadRunner Base 1996
Suzuki LT-F250 QuadRunner Base 1997
Suzuki LT-F250 QuadRunner Base 1998
Suzuki LT-F250 QuadRunner Base 1999
Suzuki LT-F250 QuadRunner Base 2000
Suzuki LT-F250 QuadRunner Base 2001
Suzuki LT-F250F QuadRunner 4x4 Base 1999
Suzuki LT-F250F QuadRunner 4x4 Base 2000
Suzuki LT-F250F QuadRunner 4x4 Base 2001
Suzuki LT-F250F QuadRunner 4x4 Base 2002
Suzuki LT-F300F KingQuad 4x4 Base 1999
Suzuki LT-F300F KingQuad 4x4 Base 2000
Suzuki LT-F300F KingQuad 4x4 Base 2001
Suzuki LT-F300F KingQuad 4x4 Base 2002
Suzuki Lt125 Base 1985
Suzuki Lt125 Base 1986
Suzuki Lt125 Base 1987
Suzuki Lt160E Base 1989
Suzuki Lt185 Base 1984
Suzuki Lt185 Base 1985
Suzuki Lt185 Base 1986
Suzuki Lt185 Base 1987
Suzuki Lt230E Quadrunner Base 1987
Suzuki Lt230E Quadrunner Base 1988
Suzuki Lt230E Quadrunner Base 1989
Suzuki Lt230E Quadrunner Base 1990
Suzuki Lt230E Quadrunner Base 1991
Suzuki Lt230E Quadrunner Base 1992
Suzuki Lt230E Quadrunner Base 1993
Suzuki Lt230Ge Base 1985
Suzuki Lt230Ge Base 1986
Suzuki Lt230S Quadsport Base 1985
Suzuki Lt230S Quadsport Base 1986
Suzuki Lt230S Quadsport Base 1987
Suzuki Lt230S Quadsport Base 1988
Suzuki M50 Boulevard Base 2013
Yamaha SR185 Base 1981
Yamaha SR185 Base 1982
Yamaha TT600 Base 1983
Yamaha TT600 Base 1984
Yamaha XT250 Base 2008
Yamaha XT250 Base 2009
Yamaha XT250 Base 2010
Yamaha XT250 Base 2011
Yamaha XT250 Base 2012
Yamaha XT250 Base 2013
Yamaha XT250 Base 2014
Yamaha XT250 Base 2015
Yamaha XT250 Base 2016
Yamaha XT250 Base 2017
Yamaha XT250 Base 2018
Yamaha XT250 Base 2019
Yamaha XT550 Base 1982
Yamaha XT550 Base 1983
Yamaha YFB250FW Timberwolf 4x4 Base 2000
Yamaha YFM200 Moto-4 Base 1985
Yamaha YFM200 Moto-4 Base 1986
Yamaha YFM200 Moto-4 Base 1987
Yamaha YFM200 Moto-4 Base 1988
Yamaha YFM200 Moto-4 Base 1989
Yamaha YFM225 Moto-4 Base 1986
Yamaha YFM225 Moto-4 Base 1987
Yamaha YFM225 Moto-4 Base 1988
Yamaha YFM250 Bear Tracker Base 1999
Yamaha YFM250 Bear Tracker Base 2000
Yamaha YFM250 Bear Tracker Base 2001
Yamaha YFM250 Bear Tracker Base 2002
Yamaha YFM250 Bear Tracker Base 2003
Yamaha YFM250 Bear Tracker Base 2004
Yamaha YFM250 Big Bear Base 2007
Yamaha YFM250 Big Bear Base 2008
Yamaha YFM250 Big Bear Base 2009
Yamaha YFM250 Bruin Base 2005
Yamaha YFM250 Bruin Base 2006
Yamaha YFM250 Raptor Base 2008
Yamaha YFM250 Raptor Base 2009
Yamaha YFM250 Raptor Base 2010
Yamaha YFM250 Raptor Base 2011
Yamaha YFM250 Raptor Base 2012
Yamaha YFM250 Raptor Base 2013
Yamaha YFM250 Raptor SE Base 2008
Yamaha YFM250 Raptor SE Custom Base 2008
Yamaha YFM250R Raptor Base 2011
Yamaha YFM450 Kodiak 450 Base 2018
Yamaha YFM450 Kodiak 450 Base 2019
Yamaha YFM450 Kodiak 450 Base 2020
Yamaha YFM450 Kodiak 450 EPS Base 2018
Yamaha YFM450 Kodiak 450 EPS Base 2019
Yamaha YFM450 Kodiak 450 EPS Base 2020
Yamaha YFM450 Kodiak 450 EPS SE Base 2019
Yamaha YFM450 Kodiak 450 EPS SE Base 2020
Yamaha YTM200 Tri-Moto Base 1983
Yamaha YTM200 Tri-Moto Base 1984
Yamaha YTM200 Tri-Moto Base 1985

Review our Shipping Policy for delivery details, shipping costs and exclusions.

For NGK warranty information, contact our support team.

Eligibility, exclusions, applicable fees and exceptions are detailed in our Return Policy. Restrictions apply to special-order and custom products.

Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov