AC Delco Professional Conventional Spark Plug

    • Black Onyx Coating helps prevent corrosion
    • Copper Core, the thermal properties of copper provide great heat transfer and increases plug durability
    • Ribbed Suppressor Seal, which extends resistance and prevents spark ‘flash over’ and misfire
    • Nickel-chrome alloy sheathing to help prevent corrosion on center electrode
    • Available for use in Marine applications
  • Product Details
AC Delco

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