The NGK RUTHENIUM HX Spark Plugs LKR7BHX 94705 Set of 4 is a high-quality ignition component designed for car and truck engines. These spark plugs are a direct replacement, ensuring a perfect fit and reliable performance. These spark plugs will keep your vehicle running smoothly. The set of 4 spark plugs includes a California Prop 65 Warning, making it a responsible choice for environmentally conscious consumers. Upgrade your ignition system with these top-of-the-line NGK spark plugs.