Vintage CHAMPION S-79N Industrial/Military 4 ground spark plug

Vintage NOS Champion Commercial Spark Plugs 1-COM 7/8" 15/16 HEX, Mint Condition

NOS Antique Vintage Champion C-7 Spark Plugs Tractor Ford Evinrude Outboard 18mm

Vintage NOS CHAMPION D-15Y INTERNATIONAL HARVESTER Spark Plug

Vintage NOS Spark Plug Lot – 8 Pieces w/ Boxes. Bowers,Champion,Sterling,Viking

8 NOS Vintage Champion Spark Plugs N12Y

Champion HO-14S Aviation Spark Plug - One N.O.S. in the box

c1920s Champion Spark Plug Co Toledo Ohio Leather Billfold & Notepad Stranahan