ACDelco Gold (Professional) Conventional Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These conventional spark plugs are designed for reliability and efficient performance. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. 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:Black Onyx coating helps reduce corrosionCopper core provides great heat transfer and helps maximize plug durabilityAvailable for use in Marine applicationsSome ACDelco Gold parts may have formerly appeared as ACDelco ProfessionalPremium aftermarket replacement partManufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
