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NGK Iridium IX Spark Plug 3981 BR9EIX

NGK Iridium IX Spark Plug 3981 BR9EIX

NGKBR9EIX (87 in stock)

Regular price $7.99 Sale

NGK IX Iridium Series plugs were designed specifically for the performance enthusiast.

  • Fine wire center electrode ensures high durability and a consistently stable spark
  • Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage
  • MPN: BR9EIX

Specifications

Warranty 1 Year
Torque Specs Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Brand NGK
Heat Range 9
Longevity 50k Miles
Resistor Yes

Shell

Thread Size 14mm
Thread Pitch 1.25mm
Seat Type Gasket
Resistor Value 5K Ohm
Reach 19mm (3/4")
Hex Size 13/16" (21mm)
Terminal Type Removable Nut
Overall Height ISO
Gap .031" (0.8mm)

Center Electrode

Material Iridium
Type Fine Wire
Size 0.6mm
Projection Non-Projected

Ground Electrode

Material Nickel
Type Standard
Shape Taper Cut
Quantity 1

Fitment

  • Motorcycle
    • Moped/Scooter
      • Aprilia
      • Derbi
      • Piaggio
    • Motorcycle
      • APRILIA
      • Aprilia
      • APRILIA
      • Aprilia
      • APRILIA
      • Aprilia
      • APRILIA
      • Aprilia
      • APRILIA
      • Aprilia
      • APRILIA
      • Aprilia
      • APRILIA
      • Aprilia
      • APRILIA
      • BETA MOTOR
      • Betamotor
      • Bultaco
      • BULTACO
      • Bultaco
      • BULTACO
      • CAGIVA
      • Can-am
      • CAN-AM
      • Can-am
      • CAN-AM
      • Can-am
      • CAN-AM
      • Can-am
      • CAN-AM
      • Can-am
      • CAN-AM
      • Can-am
      • Cobra
      • DERBI
      • Derbi
      • DERBI
      • Derbi
      • DERBI
      • GAS GAS
      • Gas Gas
      • GAS GAS
      • Gas Gas
      • GAS GAS
      • HARLEY DAVIDSON
      • Harley-Davidson
      • Hodaka
      • Honda
      • HONDA
      • Honda
      • HONDA
      • Honda
      • HONDA
      • Honda
      • Husqvarna
      • HUSQVARNA
      • Husqvarna
      • HUSQVARNA
      • Husqvarna
      • HUSQVARNA
      • Husqvarna
      • Jawa
      • JAWA
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • Kawasaki
      • KAWASAKI
      • KTM
      • LEM
      • Maico
      • MAICO
      • Maico
      • MAICO
      • Maico
      • MAICO
      • Maico
      • MAICO
      • PIAGGIO
      • POLINI
      • Polini
      • POLINI
      • Polini
      • POLINI
      • Polini
      • POLINI
      • Puch
      • PUCH
      • Puch
      • PUCH
      • Puch
      • PUCH
      • Puch
      • PUCH
      • Sherco
      • SHERCO
      • SUZUKI
      • Suzuki
      • SUZUKI
      • Suzuki
      • SUZUKI
      • Suzuki
      • SUZUKI
      • Suzuki
      • SUZUKI
      • Suzuki
      • TM
      • YAMAHA
      • Yamaha
      • YAMAHA
      • Yamaha
      • YAMAHA
      • Yamaha
      • YAMAHA
      • Yamaha
      • YAMAHA
      • Yamaha
      • YAMAHA
      • Yamaha
      • YAMAHA
      • Yamaha
      • YAMAHA
      • Yamaha
      • YAMAHA
      • Yamaha
      • YAMAHA
      • Yamaha
      • YAMAHA
    • Motorcycle/Moped/Scooter
      • APRILIA
      • BETA
      • BULTACO
      • CAGIVA
      • CAN-AM
      • CCM
      • COBRA MOTO
      • DERBI
      • GAS GAS
      • HARLEY-DAVIDSON
      • HODAKA
      • HONDA
      • HUSQVARNA
      • JAWA
      • KAWASAKI
      • KTM
      • LEM
      • MAICO
      • PIAGGIO
      • POLINI
      • PUCH
      • SHERCO
      • SUZUKI
      • TM
      • VESPA
      • YAMAHA
  • Recreation
    • ATV
      • HONDA
    • ATV/UTV
      • HONDA
      • SUZUKI
    • Race Cart
      • KAWASAKI
      • SUZUKI
      • YAMAHA
    • Snowmobiles
  • Snowmobile
    • Arctic Cat
    • Chaparral
    • Yamaha