ACDelco Gold (Professional) Marine Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These 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. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

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
• High-Quality Copper Core: Ensures reliable performance and efficient operation in various marine applications, including jet boats, inboards, outboards, and personal watercraft.
• Stable Operating Temperatures: Designed to maintain stable operating temperatures under varying loads, providing consistent performance and reliability.
• Nickel Center Electrode Tip: Features a durable nickel center electrode tip for enhanced longevity and efficient spark delivery.
• Outstanding Suppression Characteristics: Delivers excellent suppression characteristics, reducing radio frequency interference for smoother engine performance.