Vintage Harley Davidson Spark Plug With Box. Marked Champion, Harley Davidson, 3. Part # on box is 37-09 A. Please see all pictures for best description.This item is in the category "Collectibles\Transportation\Motorcycles\American\Harley-Davidson\Other Harley Collectibles". The seller is "roadkingway" and is located in this country: US. This item can be shipped to United States.