3/8-24 spark plug?

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I need a 3/8”-24 spark plug for a hit & miss model I just got. The existing one is a factory plug but no has marks. The thread size is rarely included in a plug listing so I hope someone can give me some part numbers to look for or better yet a chart somewhere that lists plugs with the thread sizes. Thanks. Bob
 

SmithDoor

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I need a 3/8”-24 spark plug for a hit & miss model I just got. The existing one is a factory plug but no has marks. The thread size is rarely included in a plug listing so I hope someone can give me some part numbers to look for or better yet a chart somewhere that lists plugs with the thread sizes. Thanks. Bob
You find them on ebay or

Dave
 
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Thanks everyone. It looks like a Champion V, VR-1 or Rimfire V have a 3/8-24 thread. I have inquires out now to try and buy one of each. Unforunetly some of these web site are far out of date or the owner mentions they're having health problems. We shall see. Bob
 
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