The Motorcraft SP-485 Spark Plug is a reliable ignition system component designed for car and truck engines. Manufactured by Motorcraft, known for quality automotive parts, this spark plug is specifically designed to provide optimal performance and durability. The California Prop 65 Warning indicates the presence of nickel, a common material used in spark plugs, ensuring consumers are aware of potential health risks associated with the product. Overall, the Motorcraft SP-485 Spark Plug is a solid choice for maintaining and improving the ignition system of your vehicle.