AVPlug × 4 (Model "A")

AVPlug × 4 (Model "A"). AVPlug (Model "A") require you to remove the top threaded section of the core spark plug. Please Note: We do not sell core spark plugs, these spark plugs can be purchased from Amazon or Ebay or at your local automotive dealer. The reason why we do not sell core spark plugs, is because it is cheaper for our customers to acquire them locally.