The CHAMPION RL87YC #327 COPPER PLUS SPARK PLUG CRDB (3 Pc) is a high-quality set of spark plugs designed for ignition systems in cars and trucks. Made with copper material, these spark plugs offer excellent conductivity and durability. As a product of Champion, a trusted brand in automotive parts, you can rely on the RL87YC #327 spark plugs to provide dependable performance and improve the overall functioning of your vehicle's ignition system.