Get your engine running smoothly with these top-quality, genuine Ford Motorcraft Finewire Platinum Spark Plugs. With a bundle of 4 plugs per order, these spark plugs are a direct replacement for your current ones. Their platinum material ensures a longer lifespan and better performance. The SP-486 model also fits perfectly with the AGSF-42F-M manufacturer part number. These spark plugs are designed to work with Ford vehicles and are made in the United States. They are a custom bundle with no modifications needed for installation. Upgrade your car's ignition system with these reliable and efficient spark plugs.