Autolite AR3911 Racing Plug

Autolite racing plugs are specially designed for extreme conditions and demanding applications. Cut-back ground electrode exposes spark for quicker acceleration. Nickel plated shell prevents corrosion.

• Shell
• Thread Diameter14mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach19mm (3/4")
• Hex Size5/8" (16mm)
• Terminal TypeSolid
• Gap.024" (0.6mm)

• Center Electrode
• MaterialNickel
• TypeStandard
• ProjectionProjected

• Ground Electrode
• MaterialNickel
• TypeCut Back
• Quantity1

• Specifications
• ResistorNo
• Heat Range4
• Torque SpecsCast Iron: 26-29 lb. ft. Aluminum: 15-22 lb. ft.

• Part Information
• BrandAutolite

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