NGK 6612 BR8ET Multi-Ground Spark Plug

Multi-ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements, NGK's multi-ground plugs maintain all the features of their standard plugs, including:

• Corrugated Ribs to Prevent Flashover

• Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer

• Copper core to aid in heat removal

• Triple seals to prevent leakage

• Shell
• Thread Diameter14mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach19mm (3/4")
• Hex Size13/16" (21mm)
• Terminal TypeSolid
• Overall HeightISO
• Gap.041" (1.05mm)

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

• Ground Electrode
• MaterialNickel
• TypeMulti-Ground
• Quantity3

• Specifications
• ResistorYes
• Resistor Value5k Ohm
• Heat Range8
• Torque SpecsCast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

• Part Information
• BrandNGK/NTK
• Warranty60 Days
• Longevity50k Miles

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• 1980
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