Seller notes

This set of 8 Champion Spark Plugs, model number RBL15Y4, is a great addition to any vintage car or truck with a gasoline engine and a 12V voltage system. These copper plugs have a standard configuration and a 14mm thread diameter with a 16mm hex size. The installation depth is 11.2mm, and they replace the following part numbers: 2139, ASF42CF4, and RBL15Y4. These spark plugs are made in the United States and are in new old stock condition. They are compatible with various ignition systems and c...

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