NGK 4285 BKR7EQUP 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 Size5/8" (16mm)
• Terminal TypeSolid
• Overall HeightISO
• Gap.020" (0.5mm)

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

• Ground Electrode
• MaterialNickel
• TypeSemi-Surface Discharge
• Quantity4

• Specifications
• ResistorYes
• Resistor Value5k Ohm
• Heat Range7
• Torque SpecsCast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

• Part Information
• BrandNGK/NTK
• Warranty60 Days
• Longevity40k-50k Miles