NGK 6431 BU8H Surface Gap Spark Plug

NGKBU8H.jpg
SKU:
NGKBU8H
|
MPN
41-BU8H
|
UPC:
087295164310
Our Price: $4.59
Current Stock:
33
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NGK 6431 BU8H Surface Gap Spark Plug.

NGK's Surface Gap Plugs are Nearly Immune to Pre-Ignition, and Usually Require a Special High Energy Ignition System. They Can be Susceptible to Fouling, Especially in Colder Applications, but May be Necessary in High Compression Applications.

Fits Mariner and Mercury outboard engines.

Specifications:
  • Shell

  • Thread Size: 14mm

  • Thread Pitch: 1.25mm

  • Seat Type: Gasket

  • Resistor: No

  • Reach: 12.7mm (1/2")

  • Hex Size: 13/16" (21mm)

  • Terminal Type: Solid

  • Overall Height: ISO

  • Gap: .016" (0.4mm)



  • Center Electrode

  • Material: Nickel

  • Type: Standard

  • Size: 2.5mm

  • Projection: Non-Projected



  • Ground Electrode

  • Material: Nickel

  • Type: Surface Discharge



  • Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

  • Brand: NGK

  • Heat Range: 8
    • Brand NGK Spark Plugs
    Cross Reference / Specs

    Prop65

    PROPOSITION 65 WARNING: FOR MORE INFORMATION, VISIT WWW.P65WARNINGS.CA.GOV