ACDelco Specialty Marine Spark Plugs are everyday replacement plugs designed for reliability and efficient performance in jet boats, inboards, outboards, and personal watercraft. Featuring a high-quality copper core, these plugs provide excellent heat transfer and maximize durability. The ribbed suppressor seal extends resistance, preventing spark flashover and misfires, while the nickel-chrome alloy sheathing helps prevent corrosion on the center electrode. As a premium aftermarket replacement part, these plugs are manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models, ensuring stable operating temperatures under varying loads.

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
• Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
• Premium aftermarket replacement part
• Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
• Versatile Compatibility: Designed to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models of jet boats, inboards, outboards, and personal watercraft.
• Stable Operating Temperatures: Maintains consistent performance under varying loads, making it a dependable choice for marine applications.