NGK

NGK Iridium IX Premium Spark Plug BR9EIX (Box of 4) — Fits 1973-2005 Honda, Kawasaki, Suzuki & More

NGK Iridium IX Premium Spark Plug BR9EIX (Box of 4) — Fits 1973-2005 Honda, Kawasaki, Suzuki & More
NGK Iridium IX Premium Spark Plug BR9EIX (Box of 4) — Fits 1973-2005 Honda, Kawasaki, Suzuki & More
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NGK Iridium IX Premium Spark Plug BR9EIX (Box of 4) — Fits 1973-2005 Honda, Kawasaki, Suzuki & MoreNGK Iridium IX Premium Spark Plug BR9EIX (Box of 4) — Fits 1973-2005 Honda, Kawasaki, Suzuki & More
NGK

NGK Iridium IX Premium Spark Plug BR9EIX (Box of 4) — Fits 1973-2005 Honda, Kawasaki, Suzuki & More

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SKU: NGK3981
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches
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Product Details

Product Description
Part Numbers
Sizing & Fit

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

NGK Iridium IX BR9EIX Spark Plugs: Performance for Enthusiasts

Elevate your engine's performance with NGK Iridium IX BR9EIX spark plugs, engineered specifically for the demanding enthusiast. These premium spark plugs deliver outstanding acceleration, improved fuel efficiency, and exceptional durability, making them ideal for high-performance applications. The fine wire iridium center electrode, six times harder than platinum, ensures extreme ignitability and superior anti-fouling properties, even under aggressive riding conditions.

Key Features & Benefits:

  • Extreme Ignitability: Fine wire iridium electrode provides a consistent, powerful spark for optimal combustion.
  • Enhanced Acceleration: Experience quicker throttle response and improved engine pickup.
  • Superior Fuel Efficiency: More efficient combustion leads to better mileage.
  • Exceptional Durability: Iridium alloy's high melting point withstands extreme temperatures and extends plug life.
  • Anti-Fouling Design: Tapered cut ground electrode helps prevent carbon buildup, ensuring reliable starts and smooth idling.

These NGK Iridium IX BR9EIX spark plugs are a fantastic upgrade for a wide range of motorcycles and powersports vehicles, including the 1973-1975 Honda CR250M, 1974-1979 Kawasaki KX125/KX250, and various Suzuki RM series models. For ultimate performance, consider NGK Ruthenium HX. Get your Iridium IX plugs at GGCRACING.

Vehicle Fitment

Years Make Model Trim
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 Arctic Cat Cougar SE Base
1974 Arctic Cat El Tigre 295 Base
1977 Arctic Cat El Tigre 5000 Base
1987-1988 Arctic Cat El Tigre 5000 Base
1981 Arctic Cat El Tigre 5000 F/C Base
1986 Arctic Cat Jag Base
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 Arctic Cat Pantera 5000 F/A Base
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 Arctic Cat Panther 440 Base
1990 Arctic Cat Panther Mountain Cat Base
1981 Arctic Cat Panther West Base
1997 Arctic Cat Powder Extreme Base
1994-1997 Arctic Cat Puma Base
1994-1997 Arctic Cat Puma 2-Up Base
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 Arctic Cat Wildcat 650 Base
1990 Arctic Cat Wildcat Mountain Cat Base
1977 Arctic Cat Z 250 Base
1977-1979 Bultaco Pursang 250 Base
1977 Can-Am 175 MX-3 Base
1980 Can-Am 400 MX-6 Base
2012-2018 Cobra CX65 Base
1998-1999 Cobra KING Base
2010 Gas Gas EC 125 Base
2001 Gas Gas EC Rookie 50 Base
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 Honda NSR50 Base
1987-1988 Honda TRX250R Base

…and 157 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

NGK Iridium IX BR9EIX Spark Plugs: Performance for Enthusiasts

Elevate your engine's performance with NGK Iridium IX BR9EIX spark plugs, engineered specifically for the demanding enthusiast. These premium spark plugs deliver outstanding acceleration, improved fuel efficiency, and exceptional durability, making them ideal for high-performance applications. The fine wire iridium center electrode, six times harder than platinum, ensures extreme ignitability and superior anti-fouling properties, even under aggressive riding conditions.

Key Features & Benefits:

  • Extreme Ignitability: Fine wire iridium electrode provides a consistent, powerful spark for optimal combustion.
  • Enhanced Acceleration: Experience quicker throttle response and improved engine pickup.
  • Superior Fuel Efficiency: More efficient combustion leads to better mileage.
  • Exceptional Durability: Iridium alloy's high melting point withstands extreme temperatures and extends plug life.
  • Anti-Fouling Design: Tapered cut ground electrode helps prevent carbon buildup, ensuring reliable starts and smooth idling.

These NGK Iridium IX BR9EIX spark plugs are a fantastic upgrade for a wide range of motorcycles and powersports vehicles, including the 1973-1975 Honda CR250M, 1974-1979 Kawasaki KX125/KX250, and various Suzuki RM series models. For ultimate performance, consider NGK Ruthenium HX. Get your Iridium IX plugs at GGCRACING.

Vehicle Fitment

Years Make Model Trim
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 Arctic Cat Cougar SE Base
1974 Arctic Cat El Tigre 295 Base
1977 Arctic Cat El Tigre 5000 Base
1987-1988 Arctic Cat El Tigre 5000 Base
1981 Arctic Cat El Tigre 5000 F/C Base
1986 Arctic Cat Jag Base
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 Arctic Cat Pantera 5000 F/A Base
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 Arctic Cat Panther 440 Base
1990 Arctic Cat Panther Mountain Cat Base
1981 Arctic Cat Panther West Base
1997 Arctic Cat Powder Extreme Base
1994-1997 Arctic Cat Puma Base
1994-1997 Arctic Cat Puma 2-Up Base
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 Arctic Cat Wildcat 650 Base
1990 Arctic Cat Wildcat Mountain Cat Base
1977 Arctic Cat Z 250 Base
1977-1979 Bultaco Pursang 250 Base
1977 Can-Am 175 MX-3 Base
1980 Can-Am 400 MX-6 Base
2012-2018 Cobra CX65 Base
1998-1999 Cobra KING Base
2010 Gas Gas EC 125 Base
2001 Gas Gas EC Rookie 50 Base
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 Honda NSR50 Base
1987-1988 Honda TRX250R Base

…and 157 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

NGK Iridium IX BR9EIX Spark Plugs: Performance for Enthusiasts

Elevate your engine's performance with NGK Iridium IX BR9EIX spark plugs, engineered specifically for the demanding enthusiast. These premium spark plugs deliver outstanding acceleration, improved fuel efficiency, and exceptional durability, making them ideal for high-performance applications. The fine wire iridium center electrode, six times harder than platinum, ensures extreme ignitability and superior anti-fouling properties, even under aggressive riding conditions.

Key Features & Benefits:

  • Extreme Ignitability: Fine wire iridium electrode provides a consistent, powerful spark for optimal combustion.
  • Enhanced Acceleration: Experience quicker throttle response and improved engine pickup.
  • Superior Fuel Efficiency: More efficient combustion leads to better mileage.
  • Exceptional Durability: Iridium alloy's high melting point withstands extreme temperatures and extends plug life.
  • Anti-Fouling Design: Tapered cut ground electrode helps prevent carbon buildup, ensuring reliable starts and smooth idling.

These NGK Iridium IX BR9EIX spark plugs are a fantastic upgrade for a wide range of motorcycles and powersports vehicles, including the 1973-1975 Honda CR250M, 1974-1979 Kawasaki KX125/KX250, and various Suzuki RM series models. For ultimate performance, consider NGK Ruthenium HX. Get your Iridium IX plugs at GGCRACING.

Vehicle Fitment

Years Make Model Trim
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 Arctic Cat Cougar SE Base
1974 Arctic Cat El Tigre 295 Base
1977 Arctic Cat El Tigre 5000 Base
1987-1988 Arctic Cat El Tigre 5000 Base
1981 Arctic Cat El Tigre 5000 F/C Base
1986 Arctic Cat Jag Base
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 Arctic Cat Pantera 5000 F/A Base
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 Arctic Cat Panther 440 Base
1990 Arctic Cat Panther Mountain Cat Base
1981 Arctic Cat Panther West Base
1997 Arctic Cat Powder Extreme Base
1994-1997 Arctic Cat Puma Base
1994-1997 Arctic Cat Puma 2-Up Base
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 Arctic Cat Wildcat 650 Base
1990 Arctic Cat Wildcat Mountain Cat Base
1977 Arctic Cat Z 250 Base
1977-1979 Bultaco Pursang 250 Base
1977 Can-Am 175 MX-3 Base
1980 Can-Am 400 MX-6 Base
2012-2018 Cobra CX65 Base
1998-1999 Cobra KING Base
2010 Gas Gas EC 125 Base
2001 Gas Gas EC Rookie 50 Base
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 Honda NSR50 Base
1987-1988 Honda TRX250R Base

…and 157 additional fitments. Contact us to confirm yours.

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