ACDelco MR43LTS Specialty Marine Spark Plug (Pack of 1)

ACDelco Specialty M8 Marine Spark Plug (Pack of 1)

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 Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco . ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. GM regularly updates production and service part designs to integrate new materials and technologies