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

• Shell
• Thread Diameter8mm
• Thread Pitch1.0mm
• Seat TypeGasket
• Reach19mm (3/4")
• Hex Size1/2" (13mm)
• Terminal TypeThreaded Stud
• Overall HeightISO
• Gap.028" (0.7mm)

• Center Electrode
• MaterialNickel
• TypeStandard
• Size2.5mm
• ProjectionNon-Projected

• Ground Electrode
• MaterialNickel
• TypeStandard
• Quantity1

• Specifications
• ResistorYes
• Resistor Value5k Ohm
• Heat Range9
• Features12.7mm Threaded Reach
• Torque SpecsAluminum: 5.8-7.2 lb. ft.

• Part Information
• BrandNGK/NTK
• Warranty60 Days
• Longevity30k Miles