Champion, Single Pack, RN9YC Automotive Spark Plug, Stock #415, Buick 86-84, Chevrolet 88-87, Chrysler 89-87, Dodge 95-71, Dodge Truck 89-79 & Eagle 98-89, Plus Small Engines, Honda 5.0 & Others. This product adds a great value. Product is highly durable and very easy to use. This product is manufactured in China.