NGK Iridium Premium Spark Plug Box of 4 (BR9EIX) 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, 1985-1985 Arctic Cat Cougar SE Base, 1974-1974 Arctic Cat El Tigre 295 Base, 1977-1977 Arctic Cat El Tigre 5000 Base, 1987-1988 Arctic Cat El Tigre 5000 Base, 1981-1981 Arctic Cat El Tigre 5000 F/C Base, 1986-1986 Arctic Cat Jag Base, 1981-1981 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 Arctic Cat Pantera Base, 1985-1991 Arctic Cat Pantera Base, 1978-1978 Arctic Cat Pantera 5000 F/A Base, 1978-1978 Arctic Cat Pantera 5000 F/C Base, 1980-1981 Arctic Cat Pantera ES (Electric Start) Base, 1979-1981 Arctic Cat Panther Base, 1984-1990 Arctic Cat Panther Base, 1977-1978 Arctic Cat Panther 4000 Base, 1973-1973 Arctic Cat Panther 440 Base, 1990-1990 Arctic Cat Panther Mountain Cat Base, 1981-1981 Arctic Cat Panther West Base, 1997-1997 Arctic Cat Powder Extreme Base, 1994-1997 Arctic Cat Puma Base, 1994-1997 Arctic Cat Puma 2-Up Base, 1973-1973 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, 1990-1990 Arctic Cat Wildcat 650 Base, 1990-1990 Arctic Cat Wildcat Mountain Cat Base, 1977-1977 Arctic Cat Z 250 Base, 1977-1979 Bultaco Pursang 250 Base, 1977-1977 Can-Am 175 MX-3 Base, 1980-1980 Can-Am 400 MX-6 Base, 2012-2018 Cobra CX65 Base, 1998-1999 Cobra KING Base, 2010-2010 Gas Gas EC 125 Base, 2001-2001 Gas Gas EC Rookie 50 Base, 2004-2004 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
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
1985-1985 Arctic Cat Cougar SE Base
1974-1974 Arctic Cat El Tigre 295 Base
1977-1977 Arctic Cat El Tigre 5000 Base
1987-1988 Arctic Cat El Tigre 5000 Base
1981-1981 Arctic Cat El Tigre 5000 F/C Base
1986-1986 Arctic Cat Jag Base
1981-1981 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 Arctic Cat Pantera Base
1985-1991 Arctic Cat Pantera Base
1978-1978 Arctic Cat Pantera 5000 F/A Base
1978-1978 Arctic Cat Pantera 5000 F/C Base
1980-1981 Arctic Cat Pantera ES (Electric Start) Base
1979-1981 Arctic Cat Panther Base
1984-1990 Arctic Cat Panther Base
1977-1978 Arctic Cat Panther 4000 Base
1973-1973 Arctic Cat Panther 440 Base
1990-1990 Arctic Cat Panther Mountain Cat Base
1981-1981 Arctic Cat Panther West Base
1997-1997 Arctic Cat Powder Extreme Base
1994-1997 Arctic Cat Puma Base
1994-1997 Arctic Cat Puma 2-Up Base
1973-1973 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
1990-1990 Arctic Cat Wildcat 650 Base
1990-1990 Arctic Cat Wildcat Mountain Cat Base
1977-1977 Arctic Cat Z 250 Base
1977-1979 Bultaco Pursang 250 Base
1977-1977 Can-Am 175 MX-3 Base
1980-1980 Can-Am 400 MX-6 Base
2012-2018 Cobra CX65 Base
1998-1999 Cobra KING Base
2010-2010 Gas Gas EC 125 Base
2001-2001 Gas Gas EC Rookie 50 Base
2004-2004 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 Honda CR250R Base
1987-1988 Honda CR250R Base
1983-1984 Honda CR60R Base
1980-1985 Honda CR80R Base
1982-1984 Honda FL250 Odyssey Base
2004-2004 Honda NSR50 Base
1987-1988 Honda TRX250R Base
1998-2006 Husqvarna CR125 Base
2009-2010 Husqvarna CR125 Base
2012-2012 Husqvarna CR125 Base
2010-2010 Husqvarna SM 125 Base
1991-1991 Husqvarna WME 250 Base
1998-2006 Husqvarna WR125 Base
2009-2012 Husqvarna WR125 Base
2010-2010 Husqvarna WRE 125 Base
1992-1993 Husqvarna WXC 250 Base
1996-1997 Husqvarna WXC 250 Base
1990-1991 Husqvarna WXE 250 Base
1994-1997 Husqvarna WXE 250 Base
1991-1991 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
1984-1984 Kawasaki KDX250 Base
1991-1994 Kawasaki KDX250 Base
1984-1984 Kawasaki KDX80 Base
1982-1982 Kawasaki KE125 Base
1974-1976 Kawasaki KX125 Base
1978-1982 Kawasaki KX125 Base
1994-2002 Kawasaki KX125 Base
1974-1976 Kawasaki KX250 Base
1978-1982 Kawasaki KX250 Base
1986-1987 Kawasaki KX250 Base
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
2007-2007 KTM 105 SX Base
1993-1993 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
1990-1990 KTM 300 MXC Base
1993-1994 KTM 300 MXC Base
1992-1992 KTM 300 SX Base
1989-1990 KTM 350 EXC Base
1985-1988 KTM 350 MXC Base
1985-1986 KTM 500 MXC Base
1992-1992 KTM 500 SX Base
1993-1994 KTM 550 MXC Base
2007-2007 KTM 85 SX (17/14) Base
2007-2007 KTM 85 SX (19/16) Base
2008-2008 KTM 85 XC Base
1999-2006 LEM LX4 Base
2007-2007 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
2010-2010 Polini XP65R Base
1971-1971 Sno-Jet S/S Jet 292 Base
1971-1971 Sno-Jet S/S Jet 338 Base
1971-1971 Sno-Jet S/S Jet 433 Base
1972-1972 Sno-Jet SST 292 Base
1972-1972 Sno-Jet SST 338 Base
1973-1974 Sno-Jet SST 340 Base
1972-1972 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
1972-1972 Sno-Jet Star-Jet +2 338 Base
1970-1972 Sno-Jet Star-Jet 292 Hirth Base
1971-1971 Sno-Jet Star-Jet 338 Base
1973-1973 Sno-Jet Star-Jet 338 Base
1973-1973 Sno-Jet Star-Jet 433 Base
1970-1970 Sno-Jet Super-Jet 338 Base
1972-1972 Sno-Jet Super-Jet 433 Base
1976-1977 Suzuki GT250 Base
1985-1992 Suzuki LT250R QuadRacer Base
1978-1978 Suzuki PE175 Base
1980-1980 Suzuki PE250 Base
1980-1981 Suzuki PE400 Base
1976-1981 Suzuki RM100 Base
1975-1980 Suzuki RM125 Base
1982-1995 Suzuki RM125 Base
1976-1981 Suzuki RM250 Base
1976-1977 Suzuki RM370 Base
1982-1982 Suzuki RM465 Base
2003-2003 Suzuki RM60 Base
1982-1982 Suzuki RM80 Base
1984-1985 Suzuki RM80 Base
1993-1998 Suzuki RMX250 Base
1981-1981 Suzuki RS250 Base
1995-2003 TM 125E Base
1995-2003 TM 250E Base
1996-2003 TM 300E Base
1995-2000 TM 80E Base
2009-2009 TM EN125 Base
2009-2009 TM EN144 Base
1995-2003 TM MX125 Base
2009-2012 TM MX125 Base
2009-2009 TM MX144 Base
2011-2011 TM MX144 Base
1995-2003 TM MX250 Base
2011-2012 TM MX250 Base
1998-2003 TM MX300 Base
2011-2012 TM MX300 Base
1995-2000 TM MX80 Base
2009-2009 TM MX85 (17/14) Base
2009-2009 TM MX85 (19/16) Base
2009-2009 TM SMM125 Base
2009-2009 TM SMR125 Base
2001-2001 Vespa ET2 Base
1969-1971 Yamaha AT1 Base
1970-1971 Yamaha AT1M Base
1972-1972 Yamaha AT2M Base
1980-1981 Yamaha DT175 Base
1974-1974 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
1975-1975 Yamaha MX400 Base
1970-1971 Yamaha RT1 Base
1972-1973 Yamaha RT2 Base
1973-1973 Yamaha RT3 Base
1973-1973 Yamaha SR433 Base
1978-1978 Yamaha SR433 Base
1973-1973 Yamaha SR643 Base
1975-1975 Yamaha SR643 Base
1976-1980 Yamaha SRX440 Base
1969-1969 Yamaha SS338 Base
1971-1971 Yamaha SS433 Base
1976-1976 Yamaha TY175 Base
1992-1992 Yamaha WR200 Base
1982-1982 Yamaha YZ100 Base
1974-1976 Yamaha YZ125 Base
1982-2017 Yamaha YZ125 Base
1974-1982 Yamaha YZ250 Base
1984-1987 Yamaha YZ250 Base
1980-1980 Yamaha YZ50 Base
1981-1983 Yamaha YZ60 Base
1982-1983 Yamaha YZ80 Base