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  • NGK Spark Plug BR9EIX Racing NG3981
  • NGK Spark Plug BR9EIX Racing NG3981
1 2

NGK

NGK Spark Plug BR9EIX Racing NG3981

NGK Spark Plug BR9EIX Racing NG3981

£21.04 GBP
£21.04 GBP
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NGK Spark Plug BR9EIX Racing NG3981. Find the product specifications and compatibility information below.

Product details

  • Product: NGK Spark Plug BR9EIX Racing NG3981
  • Part number: 37-BR9EIX
  • Brand: NGK
  • NGK BR9EIX Single Iridium IX Spark Plug [3089]
  • The ultimate spark plug technology and performance from NGK.
  • Iridium electrode is 25% smaller than platinum and 1/4 the size of a conventional nickel electrode.
  • 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.
  • 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
  • Units: Each
  • Weight: 0.12 lbs
  • Part Number: 37-BR9EIX (www.fdyperformance.com) 3089
  • Cross-Reference Numbers: B9ES, BR9ES, BR9EVX
  • Compatible Models:
  • 2010 KX85
  • 2006–2012 YZ125
  • Product Summary:
  • Description: NGK Iridium IX Plug, 14mm Thread Size, 19mm (3/4") Reach, Gasket Seat, Resistor. Designed for high-performance engines requiring enhanced ignitability, durability, and efficiency.
  • Details: NGK Iridium plugs provide superior ignitability with an ultra-fine center electrode for reduced voltage requirements. Tapered cut ground electrode minimizes flame quenching, promoting better combustion and performance. Durable, triple-sealed design prevents interior leakage, ensuring longevity and reliability in demanding conditions.

Vehicle fitment

Applications listed in the supplier fitment data:

Supplier vehicle fitment
Make Model Engine CC Year from Year to All years
KAWASAKI KX 420 1980 1981 No
KTM MX 125 1987 1988 No
HONDA CR 250 1987 1988 No
KAWASAKI KDX 200 1989 1994 No
YAMAHA YZ 125 2005 2019 No
KAWASAKI KX 400 1975 1976 No
YAMAHA YZ 125 1996 1998 No
KTM SX 200 2003 2004 No
KAWASAKI KDX 175 1980 1981 No
HONDA CR 125 1982 2007 No
SUZUKI RM 125 1989 1991 No
YAMAHA YZ 80 1984 1992 No
KAWASAKI KX 250 1986 1991 No
SUZUKI RM 100 1976 1981 No
SUZUKI RM 125 1984 1988 No
GAS-GAS HALLEY 125 2009 2009 No
KTM EXC 200 2003 2004 No
YAMAHA YZ 250 1978 1981 No
KAWASAKI KX 125 1994 2003 No
YAMAHA YZ 125 1974 1980 No
YAMAHA YZ 125 1981 1991 No
SUZUKI RM 80 1986 1990 No
KTM MX 350 1987 1995 No
KTM MX 500 1987 1988 No
KAWASAKI KX 60 1983 1997 No
KAWASAKI KX 125 1974 1979 No
HONDA CR 80 1981 1982 No
HONDA CR 125 1980 1982 No
GAS-GAS EC 125 1997 2021 No
HUSQVARNA WR 250 1992 2001 No
HUSQVARNA WR 350 1992 2002 No
YAMAHA YZ 80 1981 1983 No
GAS-GAS EC 50 2004 2021 No
BETA REV 50 2003 2021 No
BETA REV 80 2003 2003 No
KAWASAKI KX 500 1985 2004 No
YAMAHA YZ 125 1991 1996 No
YAMAHA YZ 125 1998 2005 No
KAWASAKI KX 60 1998 2001 No
KAWASAKI KX 80 1981 1991 No
KAWASAKI KX 250 1975 1982 No
HUSQVARNA CR 125 2002 2005 No
HUSQVARNA CR 125 2010 2021 No
GAS-GAS EC SIX DAYS 125 2010 2021 No
GAS-GAS EC R 125 2010 2021 No
KTM SX 125 2002 2007 No
KTM MX 500 1989 1990 No
KTM EXC 125 2001 2007 No
KAWASAKI KX 125 1980 1982 No
KAWASAKI KDX 175 1982 1983 No
KAWASAKI KDX 250 1991 1995 No
HONDA CR 60 1983 1986 No
HONDA CR 80 1983 1986 No
BETA RR 50 2008 2021 No

Match your exact make, model, year and specification before ordering.

Why buy from FDY Performance?

FDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.

Need help choosing the right part?

Contact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.

View full details
• FINANCE AVAILABLE. •
• QUALITY BIKES & ATVs •
• FAST UK DELIVERY •
• EXPERT SUPPORT •
• BUILT FOR ADVENTURE •
• PERFORMANCE YOU CAN TRUST
★
• FINANCE AVAILABLE. •
• QUALITY BIKES & ATVs •
• FAST UK DELIVERY •
• EXPERT SUPPORT •
• BUILT FOR ADVENTURE •
• PERFORMANCE YOU CAN TRUST
★