The Autolite 10mm Copper Core Spark Plug 4302 Box Of 4 is a high-quality ignition system component designed for various vehicle brands such as Honda, Ducati, Triumph, Kawasaki, Suzuki, and Yamaha. Made with durable copper material, these spark plugs provide reliable performance and resistance to wear and tear. With the manufacturer part number 4302 and interchange part number 4302, this product ensures a perfect fit for your vehicle's ignition system. Upgrade your car or motorcycle with this new set of Autolite spark plugs for optimal engine performance and efficiency.