NGK 4286 CR8EIA-9 SPARK PLUG

NGK single iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines.

• 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

• Shell


• 
  Thread Diameter10mm
  


• 
  Thread Pitch1.0mm
  


• 
  Seat TypeGasket
  


• 
  Reach19mm (3/4")
  


• 
  Hex Size5/8" (16mm)
  


• 
  Terminal TypeThreaded Stud
  


• 
  Overall HeightISO
  


• 
  Gap.035" (0.9mm)
  

• Center Electrode


• 
  MaterialIridium
  


• 
  TypeFine Wire
  


• 
  Size0.6mm
  


• 
  ProjectionNon-Projected
  

• Ground Electrode


• 
  MaterialPlatinum
  


• 
  TypeStandard
  


• 
  ShapeTaper Cut
  


• 
  Quantity1
  

• Specifications


• 
  ResistorYes
  


• 
  Resistor Value5k Ohm
  


• 
  Heat Range8
  


• 
  Torque SpecsCast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.
  

• Part Information


• 
  BrandNGK/NTK
  


• 
  Warranty60 Days
  


• 
  Longevity100k Miles