AC Delco Professional Conventional Spark Plug

    • Black Onyx coating helps reduce corrosion
    • Copper core provides great heat transfer and helps maximize plug durability
    • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
    • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
    • Available for use in Marine applications
  • Product Details
AC Delco

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