This product is 2 sets of four Autolite Double Copper spark plugs, made in the USA. These vintage spark plugs are designed for compatibility with various car and truck models from the years 1970 to 1979. The plugs have a copper material construction and come with a manufacturer part number of 106. While they do not come with a warranty, they are a reliable choice for maintaining the ignition system of your vehicle, especially for those who appreciate the quality and craftsmanship of products made in the United States.