Two Vintage Champion H-9 COM 14mm 13/16 HEX Spark Plug In Original Boxes NOS For Sale

These vintage Champion H-9 Commercial (H-9 COM.) spark plug boxes date back to the 1940s.
During this era, these specific 14 mm, 13/16" hex plugs were heavily produced and supplied as original factory equipment for Ford vehicles (such as the flathead V8 engines) and various commercial agricultural or industrial applications.one box in great shape. the second crushed opened as seen in photos. both unused still in original packaging including wax pamplet. vibriant red.