Autolite 103 Nickel Spark Plug

Traditional nickel electrodes. Copper core improves resistance to fouling. Power tip extends further into the combustion chamber to aid in self-cleaning, reducing fouling at low rpms and pre-ignition at high speeds.

• Shell
• Thread Diameter14mm
• Thread Pitch1.25mm
• Seat TypeTapered
• Reach17.5mm (.689")
• Hex Size5/8" (16mm)
• Terminal TypeSolid
• Gap.050" (1.3mm)

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

• Ground Electrode
• MaterialNickel
• TypeStandard
• Quantity1

• Specifications
• ResistorYes
• Resistor Value4k Ohm
• Heat Range1
• Torque SpecsCast Iron: 7-15 lb. ft. Aluminum: 7-15 lb. ft.

• Part Information
• BrandAutolite
• Warranty2 Years
• Longevity30k Miles

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