ACDelco 41-932 Spark Plug is a lot of 3 spark plugs designed for gasoline engines. Made in the United States, these spark plugs are manufactured by ACDelco and have not been modified. The spark plugs are suitable for various car and truck models and are categorized under Spark Plugs and Ignition Systems & Components. The product comes with a California Prop 65 Warning for Cancer and Reproductive Harm.