NGK Spark Plug BUH

Regular price $2.99
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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.
  • 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
    • Thread Diameter:  14mm
    • Thread Pitch:  1.25mm
    • Seat Type:  Gasket
    • Reach:  12.7mm (1/2")
    • Hex Size:  13/16" (21mm)
    • Terminal Type:  Solid
    • Overall Height:  ISO
    • Gap:  .050" (1.3mm)
    • Center Electrode
    • Material:  Nickel
    • Type:  Standard
    • Size:  2.5mm
    • Projection:  Non-Projected
    • Ground Electrode
    • Material:  Nickel
    • Type:  Surface Discharge
    • Specifications
    • Resistor:  No
    • Resistor Value:  1K Ohm
    • Heat Range:  12
    • Torque Specs:  Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.