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Professional; Conventional
ACDelco Standard Spark Plugs are precisely engineered and manufactured to provide everyday reliability and efficient performance.

Standard Spark Plugs feature:
  • A copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you're looking for while improving its resistance to low-speed carbon fouling.
  • Hot-tip insulator heats fast and fires hot.
  • The nickel-chrome alloy on the ground electrode and center electrode sheathing resists wear from spark erosion and the corrosive environment of the combustion chamber.

Spark Plug Type Performance Differences

Ground Electrode Tip DesignSingle Prong Electrode
Ground ConfigurationSingle
Ground Electrode Core MaterialNickel Alloy
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Gap Size0.044 in
Gap Size1.12 mm
Ground Electrode Quantity1
Hex Size5/8in
Manufacturer Heat Range5
Approximate Resistor Value2-12k ohms
Seat TypeTapered
Reach0.43 IN
Reach10.95 MM
Thread Diameter14 MM
Resistor TypeYes

Warranty Information:
24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18; 12 Months on parts sold before 04/01/18.
Warranty Details