Collecting Antique Spark Plugs

Antique spark plugs tell tale of American industrialism and ingenuity


| December 2010



A tray of plugs from Bob’s collection.

A tray of plugs from Bob’s collection.

Sumptuous beauty. Red Heads, Royals and Rajahs. “Rags to riches” drama. It may sound like a sizzling new mini-series – but the story here is collectible spark plugs. 

Hardly anybody, it seems, sets out to collect antique spark plugs. “Most of our people started with gas engines, tractors or antique automobiles,” says Lanning Baron, president of Spark Plug Collectors of America (SPCOA). “But the technology, the clever manufacturing, the ideas going through the inventors’ heads, it just draws you in. Really, it’s the same thing a gas engine collector would say about his hobby.”

Despite the nearly limitless supply of plugs, few collectors limit their hobby. “Spark plug rarity is often driven by unusual features of ‘gadget plugs,’” Lanning says. “It’s mind-boggling to see the variety. There are some people who collect, say, just plugs from their home state. But a real spark plug collector will go for anything. If it’s cool, you’re going to want it.”

Antique plugs have a certain practical appeal as well. “A lot of people who’ve gotten into spark plugs really appreciate the fact that they’re a lot easier to display than gas engines or tractors,” Lanning says. “My collection of 2,000 spark plugs fits in a comparatively small place. Who has 2,000 tractors?”

Engine heyday spurred boom
Fifty-seven Heinz products? Thirty-one flavors of ice cream? Compared to antique spark plugs, that’s kid stuff. SPCOA maintains a master list of more than 6,700 spark plug manufacturers operating from about 1900 to the mid-1930s.

“With the various models and styles, we figure there are at least 50,000 types of spark plugs out there,” Lanning says. “More than 2,000 U.S. patents were issued on spark plugs alone. So many people wanted to get on the bandwagon, and everybody had a ‘better mousetrap.’ There were a lot of gimmicks and gadgets.”