The Autolite Copper Core 606 Spark Plug is a high-quality, genuine Autolite product designed for direct replacement in vehicles. Made with a copper core for improved heat dissipation, this spark plug has a manufacturer heat range of 600°C. It comes with a manufacturer warranty of 5 years for double platinum plugs, 4 years for platinum plugs, and 2 years for copper plugs. Suitable for various vehicle models, this spark plug is a reliable choice for maintaining optimal ignition performance.