The 8 pc Autolite Platinum AP646 Spark Plugs are designed for direct replacement in various vehicle models. These spark plugs are built with durable platinum material and come with a manufacturer warranty of up to 5 years for double platinum plugs. The pack size includes 8 genuine Autolite spark plugs, ensuring a reliable ignition system for your vehicle. With interchange part numbers from top brands like Champion, Bosch, and NGK, these spark plugs are compatible with Jeep, Motorcraft, and more. Upgrade your ignition system with this high-quality spark plug kit from Auto Extra.