ACDelco Specialty Marine Spark Plugs are everyday replacement plugs designed for reliability and efficient performance in jet boats, inboards, outboards, and personal watercraft. They can maintain stable operating temperatures under varying loads. Their high-quality copper core and outstanding suppression characteristics deliver reliable performance.

Product Features:

• 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 to help prevent corrosion on center electrode