This set of 8 Motorcraft A52 spark plugs is the perfect fit for Dodge and International Harvester vehicles that use gasoline fuel. Each plug has a 14 mm thread diameter and a 13/16 inch hex size for easy installation. The spark plugs are made of high-quality copper material and have a vintage design, making them a great addition to any classic car restoration project. The A52 plugs have a voltage rating of 12 V and an installation depth of 3/8 in. They are interchangeable with part numbers 45S, J14Y, and 76, as well as OEM part number 5612390. These standard configuration spark plugs are manufactured in the United States by Motorcraft, a trusted brand in the automotive industry. Upgrade your vehicle's ignition system with this set of Motorcraft A52 spark plugs. Exact item set is shown. New old stock spark plugs in their original packaging. Made in USA. No returns on installed items or partial lots. Please review our business policies in our store for information regarding returns, shipping and warranties.