The AC Delco Spark Plugs S46 Sport Vehicle Set Of 8 In Box is a vintage part designed for gasoline engine vehicles. Manufactured by AC Delco, the spark plugs are identified by the manufacturer part number S46. This set of spark plugs is ideal for classic cars and trucks requiring reliable ignition systems. With a California Prop 65 Warning indicating the presence of nickel, this product is a dependable choice for maintaining the performance of your vehicle's engine. (Estate sale)