ACDelco ACDelco 42F Professional Conventional Spark Plug, Pack of 1

Features and BenefitsWith coverage for most older vehicles on the road today and robust long-life design, ACDelco Professional Conventional Spark Plugs are an economical choice for solid performance. Has a copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you're looking for while improving its resistance to low-speed carbon fouling. Precisely engineered and manufactured to provide everyday reliability and efficient performance. The hot-tip insulator heats fast and fires hot. The nickel-chrome alloy on the ground electrode and center electrode sheathing resists wear from spark erosion and the corrosive environment of the combustion chamberFunction & Signs of WearFind out more about the ACDelco Professional Conventional Spark Plugs and how they fit into the Starting and Charging System with the product facts below.FUNCTION: Uses a high-voltage spark from the ignition coil to ignite the air/fuel mixture inside the engine's cylindersSIGNS OF WEAR: Poo...