Model A Spark Plug Nuts
Original brass nuts for on top of the spark plug. Won't fit Motorcraft or Autolite plugs because they have a metric thread on them. These will only fit the Champion brand of spark plug. We do offer a brass knurled plug nut for the model T's that has a metric thread on it which will work on the Motorcrafts and Autolites. The part number for those is T-5202-M U.S.A.