The Autolite 2592 Spark Plugs Box Set of 10 is a new old stock product manufactured in the United States. This box set includes 10 spark plugs from the reputable brand Autolite, perfect for maintaining or upgrading the ignition system of your vehicle. With a manufacturer part number of 2592, these spark plugs offer reliable performance and durability. This product does not come with a warranty, but the brand's reputation ensures a quality product for your car or truck.