NGK SPARK PLUG BR9EIX RACING NG3981
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NGK SPARK PLUG BR9EIX Single Iridium IX Spark Plug. Features include an Iridium electrode that is 25% smaller than platinum and 1/4 the size of a conventional nickel electrode. The ultra-fine 0.6 mm diameter center electrode reduces voltage requirement and extends ignition system life. Enhanced anti-corrosion qualities with new metal shell plating. Tapered cut ground electrode reduces quenching for improved flame growth and combustion efficiency. Designed for high-performance applications, improving acceleration and fuel efficiency. Solid terminal top for durability under high vibration conditions. Specifications: Heat Range 9, Thread Size 14 mm, Reach 19 mm (3/4"), Hex Size 13/16" (20.6 mm), Seal Type Gasket Seat, Electrode Material Fine Wire (0.6 mm) Iridium Center Electrode, Ground Electrode Tapered Cut, Gap .031" (0.8 mm), Terminal Type Solid Terminal Nut (non-removable), Type Resistor. Part Number 37-BR9EIX. Cross-Reference Numbers: B9ES, BR9ES, BR9EVX.
- SKU
- 37-BR9EIX
- Brand
- NGK
- Availability
- In Stock (145)
Fitments (394)
| Make | Model | Year |
|---|---|---|
| BETA | REV 50 | 2003 |
| BETA | REV 50 | 2004 |
| BETA | REV 50 | 2005 |
| BETA | REV 50 | 2006 |
| BETA | REV 50 | 2007 |
| BETA | REV 50 | 2008 |
| BETA | REV 50 | 2009 |
| BETA | REV 50 | 2010 |
| BETA | REV 50 | 2011 |
| BETA | REV 50 | 2012 |
| BETA | REV 50 | 2013 |
| BETA | REV 50 | 2014 |
| BETA | REV 50 | 2015 |
| BETA | REV 50 | 2016 |
| BETA | REV 50 | 2017 |
| BETA | REV 50 | 2018 |
| BETA | REV 50 | 2019 |
| BETA | REV 50 | 2020 |
| BETA | REV 50 | 2021 |
| BETA | REV 80 | 2003 |
| BETA | RR 50 | 2008 |
| BETA | RR 50 | 2009 |
| BETA | RR 50 | 2010 |
| BETA | RR 50 | 2011 |
| BETA | RR 50 | 2012 |
| BETA | RR 50 | 2013 |
| BETA | RR 50 | 2014 |
| BETA | RR 50 | 2015 |
| BETA | RR 50 | 2016 |
| BETA | RR 50 | 2017 |
| BETA | RR 50 | 2018 |
| BETA | RR 50 | 2019 |
| BETA | RR 50 | 2020 |
| BETA | RR 50 | 2021 |
| GAS-GAS | EC 125 | 1997 |
| GAS-GAS | EC 125 | 1998 |
| GAS-GAS | EC 125 | 1999 |
| GAS-GAS | EC 125 | 2009 |
| GAS-GAS | EC 125 | 2010 |
| GAS-GAS | EC 125 | 2011 |
| GAS-GAS | EC 125 | 2012 |
| GAS-GAS | EC 125 | 2013 |
| GAS-GAS | EC 125 | 2014 |
| GAS-GAS | EC 125 | 2015 |
| GAS-GAS | EC 125 | 2016 |
| GAS-GAS | EC 125 | 2017 |
| GAS-GAS | EC 125 | 2018 |
| GAS-GAS | EC 125 | 2019 |
| GAS-GAS | EC 125 | 2020 |
| GAS-GAS | EC 125 | 2021 |
| GAS-GAS | EC 50 | 2004 |
| GAS-GAS | EC 50 | 2005 |
| GAS-GAS | EC 50 | 2006 |
| GAS-GAS | EC 50 | 2007 |
| GAS-GAS | EC 50 | 2008 |
| GAS-GAS | EC 50 | 2009 |
| GAS-GAS | EC 50 | 2010 |
| GAS-GAS | EC 50 | 2011 |
| GAS-GAS | EC 50 | 2012 |
| GAS-GAS | EC 50 | 2013 |
| GAS-GAS | EC 50 | 2014 |
| GAS-GAS | EC 50 | 2015 |
| GAS-GAS | EC 50 | 2016 |
| GAS-GAS | EC 50 | 2017 |
| GAS-GAS | EC 50 | 2018 |
| GAS-GAS | EC 50 | 2019 |
| GAS-GAS | EC 50 | 2020 |
| GAS-GAS | EC 50 | 2021 |
| GAS-GAS | EC R 125 | 2010 |
| GAS-GAS | EC R 125 | 2011 |
| GAS-GAS | EC R 125 | 2012 |
| GAS-GAS | EC R 125 | 2013 |
| GAS-GAS | EC R 125 | 2014 |
| GAS-GAS | EC R 125 | 2015 |
| GAS-GAS | EC R 125 | 2016 |
| GAS-GAS | EC R 125 | 2017 |
| GAS-GAS | EC R 125 | 2018 |
| GAS-GAS | EC R 125 | 2019 |
| GAS-GAS | EC R 125 | 2020 |
| GAS-GAS | EC R 125 | 2021 |
| GAS-GAS | EC SIX DAYS 125 | 2010 |
| GAS-GAS | EC SIX DAYS 125 | 2011 |
| GAS-GAS | EC SIX DAYS 125 | 2012 |
| GAS-GAS | EC SIX DAYS 125 | 2014 |
| GAS-GAS | EC SIX DAYS 125 | 2015 |
| GAS-GAS | EC SIX DAYS 125 | 2016 |
| GAS-GAS | EC SIX DAYS 125 | 2017 |
| GAS-GAS | EC SIX DAYS 125 | 2018 |
| GAS-GAS | EC SIX DAYS 125 | 2019 |
| GAS-GAS | EC SIX DAYS 125 | 2020 |
| GAS-GAS | EC SIX DAYS 125 | 2021 |
| GAS-GAS | HALLEY 125 | 2009 |
| GASGAS | EC 125 | 2000 |
| GASGAS | EC 125 | 2001 |
| GASGAS | EC 125 | 2002 |
| GASGAS | EC 125 | 2003 |
| GASGAS | EC 125 | 2004 |
| GASGAS | EC 125 | 2005 |
| GASGAS | EC 125 | 2006 |
| GASGAS | EC 125 | 2007 |
| GASGAS | EC 125 | 2008 |
| GASGAS | EC SIX DAYS 125 | 2013 |
| HONDA | CR 125 | 1980 |
| HONDA | CR 125 | 1981 |
| HONDA | CR 125 | 1982 |
| HONDA | CR 125 | 1983 |
| HONDA | CR 125 | 1984 |
| HONDA | CR 125 | 1985 |
| HONDA | CR 125 | 1986 |
| HONDA | CR 125 | 1987 |
| HONDA | CR 125 | 1988 |
| HONDA | CR 125 | 1989 |
| HONDA | CR 125 | 1990 |
| HONDA | CR 125 | 1991 |
| HONDA | CR 125 | 1992 |
| HONDA | CR 125 | 1993 |
| HONDA | CR 125 | 1994 |
| HONDA | CR 125 | 1995 |
| HONDA | CR 125 | 1996 |
| HONDA | CR 125 | 1997 |
| HONDA | CR 125 | 1998 |
| HONDA | CR 125 | 1999 |
| HONDA | CR 125 | 2000 |
| HONDA | CR 125 | 2001 |
| HONDA | CR 125 | 2002 |
| HONDA | CR 125 | 2003 |
| HONDA | CR 125 | 2004 |
| HONDA | CR 125 | 2005 |
| HONDA | CR 125 | 2006 |
| HONDA | CR 125 | 2007 |
| HONDA | CR 250 | 1987 |
| HONDA | CR 250 | 1988 |
| HONDA | CR 60 | 1983 |
| HONDA | CR 60 | 1984 |
| HONDA | CR 60 | 1985 |
| HONDA | CR 60 | 1986 |
| HONDA | CR 80 | 1981 |
| HONDA | CR 80 | 1982 |
| HONDA | CR 80 | 1983 |
| HONDA | CR 80 | 1984 |
| HONDA | CR 80 | 1985 |
| HONDA | CR 80 | 1986 |
| HUSQVARNA | CR 125 | 2002 |
| HUSQVARNA | CR 125 | 2003 |
| HUSQVARNA | CR 125 | 2004 |
| HUSQVARNA | CR 125 | 2005 |
| HUSQVARNA | CR 125 | 2010 |
| HUSQVARNA | CR 125 | 2011 |
| HUSQVARNA | CR 125 | 2012 |
| HUSQVARNA | CR 125 | 2013 |
| HUSQVARNA | CR 125 | 2014 |
| HUSQVARNA | CR 125 | 2015 |
| HUSQVARNA | CR 125 | 2016 |
| HUSQVARNA | CR 125 | 2017 |
| HUSQVARNA | CR 125 | 2018 |
| HUSQVARNA | CR 125 | 2019 |
| HUSQVARNA | CR 125 | 2020 |
| HUSQVARNA | CR 125 | 2021 |
| HUSQVARNA | WR 250 | 1992 |
| HUSQVARNA | WR 250 | 1993 |
| HUSQVARNA | WR 250 | 1994 |
| HUSQVARNA | WR 250 | 1995 |
| HUSQVARNA | WR 250 | 1996 |
| HUSQVARNA | WR 250 | 1997 |
| HUSQVARNA | WR 250 | 1998 |
| HUSQVARNA | WR 250 | 1999 |
| HUSQVARNA | WR 250 | 2000 |
| HUSQVARNA | WR 250 | 2001 |
| HUSQVARNA | WR 350 | 1992 |
| HUSQVARNA | WR 350 | 1993 |
| HUSQVARNA | WR 350 | 1994 |
| HUSQVARNA | WR 350 | 1995 |
| HUSQVARNA | WR 350 | 1996 |
| HUSQVARNA | WR 350 | 1997 |
| HUSQVARNA | WR 350 | 1998 |
| HUSQVARNA | WR 350 | 1999 |
| HUSQVARNA | WR 350 | 2000 |
| HUSQVARNA | WR 350 | 2001 |
| HUSQVARNA | WR 350 | 2002 |
| KAWASAKI | KDX 175 | 1980 |
| KAWASAKI | KDX 175 | 1981 |
| KAWASAKI | KDX 175 | 1982 |
| KAWASAKI | KDX 175 | 1983 |
| KAWASAKI | KDX 200 | 1989 |
| KAWASAKI | KDX 200 | 1990 |
| KAWASAKI | KDX 200 | 1991 |
| KAWASAKI | KDX 200 | 1992 |
| KAWASAKI | KDX 200 | 1993 |
| KAWASAKI | KDX 200 | 1994 |
| KAWASAKI | KDX 250 | 1991 |
| KAWASAKI | KDX 250 | 1992 |
| KAWASAKI | KDX 250 | 1993 |
| KAWASAKI | KDX 250 | 1994 |
| KAWASAKI | KDX 250 | 1995 |
| KAWASAKI | KX 125 | 1974 |
| KAWASAKI | KX 125 | 1975 |
| KAWASAKI | KX 125 | 1976 |
| KAWASAKI | KX 125 | 1977 |
| KAWASAKI | KX 125 | 1978 |
| KAWASAKI | KX 125 | 1979 |
| KAWASAKI | KX 125 | 1980 |
| KAWASAKI | KX 125 | 1981 |
| KAWASAKI | KX 125 | 1982 |
| KAWASAKI | KX 125 | 1994 |
| KAWASAKI | KX 125 | 1995 |
| KAWASAKI | KX 125 | 1996 |
| KAWASAKI | KX 125 | 1997 |
| KAWASAKI | KX 125 | 1998 |
| KAWASAKI | KX 125 | 1999 |
| KAWASAKI | KX 125 | 2000 |
| KAWASAKI | KX 125 | 2001 |
| KAWASAKI | KX 125 | 2002 |
| KAWASAKI | KX 125 | 2003 |
| KAWASAKI | KX 250 | 1975 |
| KAWASAKI | KX 250 | 1976 |
| KAWASAKI | KX 250 | 1977 |
| KAWASAKI | KX 250 | 1978 |
| KAWASAKI | KX 250 | 1979 |
| KAWASAKI | KX 250 | 1980 |
| KAWASAKI | KX 250 | 1981 |
| KAWASAKI | KX 250 | 1982 |
| KAWASAKI | KX 250 | 1986 |
| KAWASAKI | KX 250 | 1987 |
| KAWASAKI | KX 250 | 1988 |
| KAWASAKI | KX 250 | 1989 |
| KAWASAKI | KX 250 | 1990 |
| KAWASAKI | KX 250 | 1991 |
| KAWASAKI | KX 400 | 1975 |
| KAWASAKI | KX 400 | 1976 |
| KAWASAKI | KX 420 | 1980 |
| KAWASAKI | KX 420 | 1981 |
| KAWASAKI | KX 500 | 1985 |
| KAWASAKI | KX 500 | 1986 |
| KAWASAKI | KX 500 | 1987 |
| KAWASAKI | KX 500 | 1988 |
| KAWASAKI | KX 500 | 1989 |
| KAWASAKI | KX 500 | 1990 |
| KAWASAKI | KX 500 | 1991 |
| KAWASAKI | KX 500 | 1992 |
| KAWASAKI | KX 500 | 1993 |
| KAWASAKI | KX 500 | 1994 |
| KAWASAKI | KX 500 | 1995 |
| KAWASAKI | KX 500 | 1996 |
| KAWASAKI | KX 500 | 1997 |
| KAWASAKI | KX 500 | 1998 |
| KAWASAKI | KX 500 | 1999 |
| KAWASAKI | KX 500 | 2000 |
| KAWASAKI | KX 500 | 2001 |
| KAWASAKI | KX 500 | 2002 |
| KAWASAKI | KX 500 | 2003 |
| KAWASAKI | KX 500 | 2004 |
| KAWASAKI | KX 60 | 1983 |
| KAWASAKI | KX 60 | 1984 |
| KAWASAKI | KX 60 | 1985 |
| KAWASAKI | KX 60 | 1986 |
| KAWASAKI | KX 60 | 1987 |
| KAWASAKI | KX 60 | 1988 |
| KAWASAKI | KX 60 | 1989 |
| KAWASAKI | KX 60 | 1990 |
| KAWASAKI | KX 60 | 1991 |
| KAWASAKI | KX 60 | 1992 |
| KAWASAKI | KX 60 | 1993 |
| KAWASAKI | KX 60 | 1994 |
| KAWASAKI | KX 60 | 1995 |
| KAWASAKI | KX 60 | 1996 |
| KAWASAKI | KX 60 | 1997 |
| KAWASAKI | KX 60 | 1998 |
| KAWASAKI | KX 60 | 1999 |
| KAWASAKI | KX 60 | 2000 |
| KAWASAKI | KX 60 | 2001 |
| KAWASAKI | KX 80 | 1981 |
| KAWASAKI | KX 80 | 1982 |
| KAWASAKI | KX 80 | 1983 |
| KAWASAKI | KX 80 | 1984 |
| KAWASAKI | KX 80 | 1985 |
| KAWASAKI | KX 80 | 1986 |
| KAWASAKI | KX 80 | 1987 |
| KAWASAKI | KX 80 | 1988 |
| KAWASAKI | KX 80 | 1989 |
| KAWASAKI | KX 80 | 1990 |
| KAWASAKI | KX 80 | 1991 |
| KTM | 125 EXC | 2001 |
| KTM | 125 EXC | 2002 |
| KTM | 125 EXC | 2003 |
| KTM | 125 EXC | 2004 |
| KTM | 125 EXC | 2005 |
| KTM | 125 EXC | 2006 |
| KTM | 125 EXC | 2007 |
| KTM | 125 MX | 1987 |
| KTM | 125 MX | 1988 |
| KTM | 125 SX | 2002 |
| KTM | 125 SX | 2003 |
| KTM | 125 SX | 2004 |
| KTM | 125 SX | 2005 |
| KTM | 125 SX | 2006 |
| KTM | 125 SX | 2007 |
| KTM | 200 EXC | 2003 |
| KTM | 200 EXC | 2004 |
| KTM | 200 SX | 2003 |
| KTM | 200 SX | 2004 |
| KTM | 350 MX | 1987 |
| KTM | 350 MX | 1988 |
| KTM | 350 MX | 1989 |
| KTM | 350 MX | 1990 |
| KTM | 350 MX | 1991 |
| KTM | 350 MX | 1992 |
| KTM | 350 MX | 1993 |
| KTM | 350 MX | 1994 |
| KTM | 350 MX | 1995 |
| KTM | 500 MX | 1987 |
| KTM | 500 MX | 1988 |
| KTM | 500 MX | 1989 |
| KTM | 500 MX | 1990 |
| SUZUKI | RM 100 | 1976 |
| SUZUKI | RM 100 | 1977 |
| SUZUKI | RM 100 | 1978 |
| SUZUKI | RM 100 | 1979 |
| SUZUKI | RM 100 | 1980 |
| SUZUKI | RM 100 | 1981 |
| SUZUKI | RM 125 | 1984 |
| SUZUKI | RM 125 | 1985 |
| SUZUKI | RM 125 | 1986 |
| SUZUKI | RM 125 | 1987 |
| SUZUKI | RM 125 | 1988 |
| SUZUKI | RM 125 | 1989 |
| SUZUKI | RM 125 | 1990 |
| SUZUKI | RM 125 | 1991 |
| SUZUKI | RM 80 | 1986 |
| SUZUKI | RM 80 | 1987 |
| SUZUKI | RM 80 | 1988 |
| SUZUKI | RM 80 | 1989 |
| SUZUKI | RM 80 | 1990 |
| YAMAHA | YZ 125 | 1974 |
| YAMAHA | YZ 125 | 1975 |
| YAMAHA | YZ 125 | 1976 |
| YAMAHA | YZ 125 | 1977 |
| YAMAHA | YZ 125 | 1978 |
| YAMAHA | YZ 125 | 1979 |
| YAMAHA | YZ 125 | 1980 |
| YAMAHA | YZ 125 | 1981 |
| YAMAHA | YZ 125 | 1982 |
| YAMAHA | YZ 125 | 1983 |
| YAMAHA | YZ 125 | 1984 |
| YAMAHA | YZ 125 | 1985 |
| YAMAHA | YZ 125 | 1986 |
| YAMAHA | YZ 125 | 1987 |
| YAMAHA | YZ 125 | 1988 |
| YAMAHA | YZ 125 | 1989 |
| YAMAHA | YZ 125 | 1990 |
| YAMAHA | YZ 125 | 1991 |
| YAMAHA | YZ 125 | 1992 |
| YAMAHA | YZ 125 | 1993 |
| YAMAHA | YZ 125 | 1994 |
| YAMAHA | YZ 125 | 1995 |
| YAMAHA | YZ 125 | 1996 |
| YAMAHA | YZ 125 | 1997 |
| YAMAHA | YZ 125 | 1998 |
| YAMAHA | YZ 125 | 1999 |
| YAMAHA | YZ 125 | 2000 |
| YAMAHA | YZ 125 | 2001 |
| YAMAHA | YZ 125 | 2002 |
| YAMAHA | YZ 125 | 2003 |
| YAMAHA | YZ 125 | 2004 |
| YAMAHA | YZ 125 | 2005 |
| YAMAHA | YZ 125 | 2006 |
| YAMAHA | YZ 125 | 2007 |
| YAMAHA | YZ 125 | 2008 |
| YAMAHA | YZ 125 | 2009 |
| YAMAHA | YZ 125 | 2010 |
| YAMAHA | YZ 125 | 2011 |
| YAMAHA | YZ 125 | 2012 |
| YAMAHA | YZ 125 | 2013 |
| YAMAHA | YZ 125 | 2014 |
| YAMAHA | YZ 125 | 2015 |
| YAMAHA | YZ 125 | 2016 |
| YAMAHA | YZ 125 | 2017 |
| YAMAHA | YZ 125 | 2018 |
| YAMAHA | YZ 125 | 2019 |
| YAMAHA | YZ 250 | 1978 |
| YAMAHA | YZ 250 | 1979 |
| YAMAHA | YZ 250 | 1980 |
| YAMAHA | YZ 250 | 1981 |
| YAMAHA | YZ 80 | 1981 |
| YAMAHA | YZ 80 | 1982 |
| YAMAHA | YZ 80 | 1983 |
| YAMAHA | YZ 80 | 1984 |
| YAMAHA | YZ 80 | 1985 |
| YAMAHA | YZ 80 | 1986 |
| YAMAHA | YZ 80 | 1987 |
| YAMAHA | YZ 80 | 1988 |
| YAMAHA | YZ 80 | 1989 |
| YAMAHA | YZ 80 | 1990 |
| YAMAHA | YZ 80 | 1991 |
| YAMAHA | YZ 80 | 1992 |
- General Product Group
- Ignition & Electrical Parts
- General Product Type
- Spark Plug
- Variant Id
- 235511
FULL DESCRIPTION
NGK SPARK PLUG BR9EIX RACING
Experience the pinnacle of spark plug technology and performance with the NGK Iridium IX Spark Plug. Engineered for demanding applications, this plug utilizes an ultra-fine, 0.6 mm iridium center electrode, significantly smaller than platinum or conventional nickel electrodes. This reduced size lowers voltage requirements, extending the life of your ignition system.
The Iridium IX features a tapered cut ground electrode designed to minimize quenching, promoting enhanced flame growth and improved combustion efficiency. This results in better acceleration and fuel efficiency for your motorcycle or vehicle.
Further enhancing its performance and durability, the NGK BR9EIX boasts new metal shell plating for superior anti-corrosion qualities. The solid terminal top provides exceptional durability, even under high vibration conditions. This spark plug is also a resistor type, designed to reduce electromagnetic interference.
Key Features:
- Ultimate spark plug technology and performance from NGK.
- Ultra-fine (0.6 mm) diameter iridium center electrode reduces voltage requirement and extends ignition system life.
- Tapered cut ground electrode reduces quenching for improved flame growth and combustion efficiency.
- Enhanced anti-corrosion qualities with new metal shell plating.
- Solid terminal top for durability under high vibration conditions.
- Designed for high-performance applications, improving acceleration and fuel efficiency.
- Triple-sealed design prevents interior leakage.
Specifications:
- Heat Range: 9
- Thread Size: 14 mm
- Reach: 19 mm (3/4 inch)
- Hex Size: 13/16 inch (20.6 mm)
- Seal Type: Gasket Seat
- Electrode Material: Fine Wire (0.6 mm) Iridium Center Electrode
- Ground Electrode: Tapered Cut
- Gap: 0.031 inch (0.8 mm)
- Terminal Type: Solid Terminal Nut (non-removable)
- Type: Resistor
- Units: Each
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
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