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8 Plugs of NGK Racing Plug R4118S-8/3236

8 Plugs of NGK Racing Plug R4118S-8/3236

You Are Purchasing 8 NGK Spark Plugs

  • ShellThread
  • Diameter 14mm
  • Thread Pitch 1.25mm
  • Seat Type Gasket
  • Reach 19mm (3/4")
  • Hex Size 13/16" (21mm)
  • Terminal Type Removable Nut
  • Gap .026" (0.65mm)
  • Center Electrode
  • Material Gold-Palladium
  • Type Fine Wire
  • Size 1.0mm
  • Projection Non-Projected
  • Ground Electrode
  • Material Nickel
  • Type Standard
  • Shape Taper Cut
  • Quantity 1
  • Specifications
  • Resistor No
  • Resistor Value 1K Ohm
  • Heat Range 8
  • Torque Specs Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
  • Part Information
  • Brand  NGK/NTK

NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Fine wire center electrode provides enhanced ignitability. Gold palladium center electrode improves ignitability, increases durability and enhances anti fouling capabilities. Special insulator nose configurations improve throttle response. 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.