NGK

NGK 91784 LKAR8BHX Ruthenium HX Plug

ngk91784

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  • $44.99
  • Regular price $55.96


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NGK Ruthenium HX is designed for newer engines which demand high ignitability. Projected Square Platinum Electrode (PSPE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions. 0.4mm Ruthenium alloy fine wire center electrode and 0.8mm platinum fine wire ground electrode. Trivalent metal platinum 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.

 

  • Shell
  • Thread Diameter12mm
  • Thread Pitch1.25mm
  • Seat TypeGasket
  • Reach26.5mm (1.04")
  • Hex Size9/16" (14mm)
  • Terminal TypeSolid
  • Gap.031" (0.8mm)
  • Center Electrode
  • MaterialRuthenium
  • TypeFine Wire
  • Size0.6mm
  • ProjectionExtended Projection
  • Ground Electrode
  • MaterialPlatinum
  • TypeProjected Square
  • Quantity1
  • Specifications
  • ResistorYes
  • Resistor Value5k Ohm
  • Heat Range8
  • Torque SpecsCast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.
  • Part Information
  • BrandNGK/NTK
  • Warranty1 Year
  • Longevity60-120k Miles