This set of spark plugs from Motorcraft is a great addition to your vehicle's ignition system. The plugs are made of copper and have a heat range of 450°C, ensuring excellent performance. They are brand new and come in an OEM Ford box with four plugs, part number ASF-42CA and superseded part number SP-450A.

These vintage spark plugs are designed for gasoline engines and have interchangeable part numbers ASF-42C-X, ASF-42-C, SP*450*, ASF-42C-A, and SP-450-A. They have not been used and do not come with a manufacturer warranty. These plugs are manufactured in Mexico and are a great performance part to add to your collection.