The product is a set of 8 Bosch Super 7557 FR8DCX spark plugs designed for use in Dodge, Chevrolet, Jaguar, and Honda vehicles. These copper spark plugs are suitable for gasoline engines, have a standard configuration, and are made in Germany by the reputable brand Bosch. With a voltage of 12V and a hex size of 16mm, these performance parts are intended to enhance the ignition system and provide reliable spark plug capability for vintage vehicles. The product also carries a California Prop 65 Warning due to the presence of materials that may pose a health risk if ingested or otherwise exposed. Exact item set is shown. Vintage new old stock spark plugs. Packaging may have a musty odor from storage. 14mm x 1.25mm thread, 5/8 inch (16mm) hex size, heat range 8. Set weight 1 lb. Made in Germany. No returns on installed items or partial sets. This item is new with opened or damaged packaging. It may or may not be a customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. It may show minor wear from handling. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties. Most items have 30-day returns along with free fast shipping in 1 business day (see details). Message us anytime. Buy from a trusted 16+ year seller!