NGK Iridium Premium Spark Plug Box of 4 (BR9EIX)

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.
ATV – 1988-82 HON, M/C – 2006-82 APRILIA, 1987-77 CAN AM, 2005-01 GAS GAS, 2007-73 HON, 2006-90 HUSQ, 1998-74 KAW, 2004-80 KTM, 1998-75 SUZ, 2006-72 YAM, PWC – 1999-93 ARC CAT, 2006-95 KAW, 2004-98 POL, SNOW – 1997-73 ARC CAT, 1981-76 YAM

• 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

Fitment:
Aprilia RS 50 Base 2002 to 2005
Aprilia Tuono 50 Base 2004 to 2005
Arctic Cat Cheetah 500 F/C Base 1986 to 1988
Arctic Cat Cheetah Touring Base 1988 to 1991
Arctic Cat Cougar Base 1985 to 1990
Arctic Cat Cougar Mountain Cat Base 1989 to 1990
Arctic Cat Cougar SE Base 1985
Arctic Cat El Tigre 295 Base 1974
Arctic Cat El Tigre 5000 Base 1977
Arctic Cat El Tigre 5000 Base 1987 to 1988
Arctic Cat El Tigre 5000 F/C Base 1981
Arctic Cat Jag Base 1986
Arctic Cat Jag 4000 Base 1981
Arctic Cat Jag 440 Base 1987 to 1988
Arctic Cat Jag AFS Base 1989 to 1990
Arctic Cat Lynx Mountain Cat Base 1992 to 1993
Arctic Cat Pantera Base 1979 to 1981
Arctic Cat Pantera Base 1985 to 1991
Arctic Cat Pantera 5000 F/A Base 1978
Arctic Cat Pantera 5000 F/C Base 1978
Arctic Cat Pantera ES (Electric Start) Base 1980 to 1981
Arctic Cat Panther Base 1979 to 1981
Arctic Cat Panther Base 1984 to 1990
Arctic Cat Panther 4000 Base 1977 to 1978
Arctic Cat Panther 440 Base 1973
Arctic Cat Panther Mountain Cat Base 1990
Arctic Cat Panther West Base 1981
Arctic Cat Powder Extreme Base 1997
Arctic Cat Puma Base 1994 to 1997
Arctic Cat Puma 2-Up Base 1994 to 1997
Arctic Cat Puma 440 Base 1973
Arctic Cat Puma Deluxe Base 1994 to 1997
Arctic Cat Super Jag Base 1987 to 1990
Arctic Cat Trail Cat 400 Base 1980 to 1981
Arctic Cat Wildcat 650 Base 1990
Arctic Cat Wildcat Mountain Cat Base 1990
Arctic Cat Z 250 Base 1977
Bultaco Pursang 250 Base 1977 to 1979
Can-Am 175 MX-3 Base 1977
Can-Am 400 MX-6 Base 1980
Cobra CX65 Base 2012 to 2018
Cobra King Base 1998 to 1999
Gas Gas Ec 125 Base 2010
Gas Gas Ec Rookie 50 Base 2001
Gas Gas SM 50 Base 2004
Harley Davidson SS125 Base 1976 to 1977
Harley Davidson SS175 Base 1976 to 1977
Harley Davidson SS250 Base 1975 to 1977
Harley Davidson SX175 Base 1974 to 1975
Harley Davidson SXT125 Base 1976 to 1977
Honda ATC250R Base 1984 to 1986
Honda CR125R Base 1999 to 2007
Honda CR250M Base 1973 to 1976
Honda CR250R Base 1978 to 1981
Honda CR250R Base 1987 to 1988
Honda CR60R Base 1983 to 1984
Honda CR80R Base 1980 to 1985
Honda Fl250 Odyssey Base 1982 to 1984
Honda NSR50 Base 2004
Honda TRX250R Base 1987 to 1988
Husqvarna CR125 Base 1998 to 2006
Husqvarna CR125 Base 2009 to 2010
Husqvarna CR125 Base 2012
Husqvarna SM 125 Base 2010
Husqvarna Wme 250 Base 1991
Husqvarna WR125 Base 1998 to 2006
Husqvarna WR125 Base 2009 to 2012
Husqvarna WRE 125 Base 2010
Husqvarna Wxc 250 Base 1992 to 1993
Husqvarna Wxc 250 Base 1996 to 1997
Husqvarna Wxe 250 Base 1990 to 1991
Husqvarna Wxe 250 Base 1994 to 1997
Husqvarna Wxe 260 Base 1991
Husqvarna XC125 Base 1982 to 1986
John Deere Liquifire 440 Base 1981 to 1982
John Deere Sportfire Base 1981 to 1982
John Deere Trailfire 440 Base 1981 to 1982
Kawasaki KDX175 Base 1980 to 1982
Kawasaki KDX200 Base 1983 to 1996
Kawasaki KDX250 Base 1984
Kawasaki KDX250 Base 1991 to 1994
Kawasaki KDX80 Base 1984
Kawasaki KE125 Base 1982
Kawasaki KX125 Base 1974 to 1976
Kawasaki KX125 Base 1978 to 1982
Kawasaki KX125 Base 1994 to 2002
Kawasaki KX250 Base 1974 to 1976
Kawasaki KX250 Base 1978 to 1982
Kawasaki KX250 Base 1986 to 1987
Kawasaki KX250 Base 1989 to 1991
Kawasaki KX400 Base 1975 to 1976
Kawasaki KX420 Base 1980 to 1981
Kawasaki KX500 Base 1983 to 1984
Kawasaki KX60 Base 1983 to 2001
Kawasaki KX80 Base 1980 to 1991
Kawasaki KX80 Big Wheel Base 1987 to 1991
Kawasaki ZX750 GPz Base 1983 to 1985
Kawasaki ZX750E Turbo Base 1984 to 1985
KTM 105 SX Base 2007
KTM 125 Exc Base 1993
KTM 125 Sting Base 1997 to 1998
KTM 200 Sx Base 2003 to 2004
KTM 250 EXC Base 1990 to 1995
KTM 250 MXC Base 1984 to 1988
KTM 250 SX Base 1992 to 1995
KTM 300 DXC Base 1990 to 1992
KTM 300 EXC Base 1990 to 1995
KTM 300 MXC Base 1990
KTM 300 MXC Base 1993 to 1994
KTM 300 SX Base 1992
KTM 350 EXC Base 1989 to 1990
KTM 350 MXC Base 1985 to 1988
KTM 500 MXC Base 1985 to 1986
KTM 500 SX Base 1992
KTM 550 Mxc Base 1993 to 1994
KTM 85 SX (17/14) Base 2007
KTM 85 SX (19/16) Base 2007
KTM 85 XC Base 2008
LEM Lx4 Base 1999 to 2006
Piaggio Typhoon Base 2007
Polini X1R Base 2006 to 2010
Polini X3P Air Base 2006 to 2010
Polini X3R Base 2006 to 2010
Polini X5P Air Base 2006 to 2010
Polini X5P Liquid Base 2007 to 2010
Polini XP65R Base 2010
Sno-Jet S/S Jet 292 Base 1971
Sno-Jet S/S Jet 338 Base 1971
Sno-Jet S/S Jet 433 Base 1971
Sno-Jet SST 292 Base 1972
Sno-Jet SST 338 Base 1972
Sno-Jet SST 340 Base 1973 to 1974
Sno-Jet SST 433 Base 1972
Sno-Jet SST 440 Base 1973 to 1976
Sno-Jet SST F/A 340 Base 1975 to 1976
Sno-Jet SST F/A 440 Base 1975 to 1976
Sno-Jet Star-Jet +2 338 Base 1972
Sno-Jet Star-Jet 292 Hirth Base 1970 to 1972
Sno-Jet Star-Jet 338 Base 1971
Sno-Jet Star-Jet 338 Base 1973
Sno-Jet Star-Jet 433 Base 1973
Sno-Jet Super-Jet 338 Base 1970
Sno-Jet Super-Jet 433 Base 1972
Suzuki GT250 Base 1976 to 1977
Suzuki Lt250R Quadracer Base 1985 to 1992
Suzuki Pe175 Base 1978
Suzuki Pe250 Base 1980
Suzuki Pe400 Base 1980 to 1981
Suzuki RM100 Base 1976 to 1981
Suzuki RM125 Base 1975 to 1980
Suzuki RM125 Base 1982 to 1995
Suzuki RM250 Base 1976 to 1981
Suzuki RM370 Base 1976 to 1977
Suzuki RM465 Base 1982
Suzuki RM60 Base 2003
Suzuki RM80 Base 1982
Suzuki RM80 Base 1984 to 1985
Suzuki RMX250 Base 1993 to 1998
Suzuki RS250 Base 1981
TM 125E Base 1995 to 2003
TM 250E Base 1995 to 2003
TM 300E Base 1996 to 2003
TM 80E Base 1995 to 2000
TM EN125 Base 2009
TM EN144 Base 2009
TM Mx125 Base 1995 to 2003
TM Mx125 Base 2009 to 2012
TM MX144 Base 2009
TM MX144 Base 2011
TM Mx250 Base 1995 to 2003
TM Mx250 Base 2011 to 2012
TM MX300 Base 1998 to 2003
TM MX300 Base 2011 to 2012
TM Mx80 Base 1995 to 2000
TM MX85 (17/14) Base 2009
TM MX85 (19/16) Base 2009
TM SMM125 Base 2009
TM SMR125 Base 2009
Vespa Et2 Base 2001
Yamaha AT1 Base 1969 to 1971
Yamaha At1M Base 1970 to 1971
Yamaha At2M Base 1972
Yamaha Dt175 Base 1980 to 1981
Yamaha Dt360 Base 1974
Yamaha Dt400 Base 1975 to 1976
Yamaha EW643 Base 1972 to 1973
Yamaha EX340 Base 1976 to 1978
Yamaha EX440 Base 1976 to 1981
Yamaha GP292 Base 1973 to 1974
Yamaha GPX338 Base 1974 to 1975
Yamaha GPX433 Base 1974 to 1975
Yamaha It125 Base 1980 to 1981
Yamaha It175 Base 1979 to 1983
Yamaha It200 Base 1984 to 1985
Yamaha It250 Base 1977 to 1983
Yamaha Mx125 Base 1974 to 1976
Yamaha Mx400 Base 1975
Yamaha Rt1 Base 1970 to 1971
Yamaha Rt2 Base 1972 to 1973
Yamaha Rt3 Base 1973
Yamaha SR433 Base 1973
Yamaha SR433 Base 1978
Yamaha SR643 Base 1973
Yamaha SR643 Base 1975
Yamaha SRX440 Base 1976 to 1980
Yamaha SS338 Base 1969
Yamaha SS433 Base 1971
Yamaha Ty175 Base 1976
Yamaha WR200 Base 1992
Yamaha YZ100 Base 1982
Yamaha YZ125 Base 1974 to 1976
Yamaha YZ125 Base 1982 to 2017
Yamaha YZ250 Base 1974 to 1982
Yamaha YZ250 Base 1984 to 1987
Yamaha YZ50 Base 1980
Yamaha YZ60 Base 1981 to 1983
Yamaha YZ80 Base 1982 to 1983