Vtg Antique Carbo Gas Two Spark Double Plug Toledo OH Hit Miss Tractor Engine. Here is a very large impressive unusual antique spark plug made in Toledo Ohio. I included many photos to show its condition. If you like large odd ball spark plugs, this one is for you. Please call if you need additional information. Most items are packaged with new bubble wrap and new packing peanuts. Sometimes prices are inflated due to the weight of the item. I require all international packages to be insured. Be sure to check out my other auctions and store PLUDGEWORKS. _gsrx_vers_526 GS 6.6.6 (526). Sellers: Get your own map of past buyers. The item “Vtg Antique Carbo Gas Two Spark Double Plug Toledo OH Hit Miss Tractor Engine” is in sale since Sunday, July 19, 2015. This item is in the category “Collectibles\Transportation\Automobilia\Spark Plugs”. The seller is “pludge” and is located in Carleton, Michigan. This item can be shipped to North, South, or Latin America, to all countries in Europe, to all countries in continental Asia, to Australia.