NGK 3874 R4118S-95 Racing Plug

NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Fine wire center and ground electrodes provide enhanced ignitability. Gold palladium center electrode and platinum tipped ground electrode improves ignitability, increases durability and enhances anti fouling capabilities. Special insulator nose configurations improve throttle response. 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 Diameter14mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach19mm (3/4")
• Hex Size13/16" (21mm)
• Terminal TypeRemovable Nut
• Overall HeightISO
• Gap.026" (0.65mm)

• Center Electrode
• MaterialGold-Palladium
• TypeFine Wire
• Size1.0mm
• ProjectionNon-Projected

• Ground Electrode
• MaterialNickel
• TypeStandard
• ShapeTaper Cut
• Quantity1

• Specifications
• ResistorNo
• Heat Range9.5
• Torque SpecsCast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

• Part Information
• BrandNGK/NTK
• Warranty60 Days

Automotive

Sorry, no automotive applications are associated with this part.

Powersports

Sorry, no powersports applications are associated with this part.

Non-Automotive

Sorry, no non-automotive applications are associated with this part.