NGK 4551 BR9HS-10 Nickel Spark Plug

NGK 4551 BR9HS-10 Nickel Spark Plug

• NGK standard plugs are constructed for longer life and optimum performance.
  

  • 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
• Product Specifications
  • Shell
  • Thread Diameter14mm
  • Thread Pitch1.25mm
  • Seat Type Gasket
  • Reach12.7mm (1/2")
  • Hex Size13/16" (21mm)
  • Terminal Type Removable Nut
  • Overall Height ISO
  • Gap.039" (1.0mm)

  • Center Electrode
  • Material Nickel
  • Type Standard
  • Size2.5mm
  • Projection non-Projected

  • Ground Electrode
  • Material Nickel
  • Type Standard
  • Quantity1

  • Specifications
  • Resistor Yes
  • Resistor Value5k Ohm
  • Heat Range9
  • Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.