NGK 93444 LMAR8D-J 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 Diameter10mm
• Thread Pitch1.0mm
• Seat TypeGasket
• Reach26.5mm (1.04")
• Hex Size9/16" (14mm)
• Terminal TypeSolid
• Overall HeightISO
• Gap.031" (0.8mm)

• Center Electrode
• MaterialNickel
• TypeStandard
• Size2.5mm
• ProjectionProjected

• Ground Electrode
• MaterialNickel
• TypeMulti-Ground
• Quantity2

• 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
• Longevity50k Miles