Vintage Champion Spark Plugs Sign > Antique Automotive Part Store Dealer 8428. Vintage Champion Spark Plug sign. This fine piece is in good condition for its age. It is only one sided. This design of sign would be hanging in a automotive part store or a service garage. This would be a grand addition to your man cave! It measures 26″ x 12″. Champion Dependable Spark Plugs Sale and Service, Made in USA, 1A. Good condition with beautiful deep color. It has moderate to severe dents, scratches and staining, see pictures. See description above for further info on the condition. Track Page Views With. Auctiva’s FREE Counter. The item “Vintage Champion Spark Plugs Sign Antique Automotive Part Store Dealer 8428″ is in sale since Thursday, September 28, 2017. This item is in the category “Collectibles\Advertising\Merchandise & Memorabilia\Signs\Original\1930-69″. The seller is “*miliki*” and is located in Red Oak, Iowa. This item can be shipped worldwide.