Spark Plug Aim Henry Jr 1/2" pipe. Copper plated N.O.S. Displayvalue when cleaned 9 plus. Plug size 3" tall. Buyer pays shipping andhandling, to be determined at auctions end. Payment must be recieved within one week of auctions end or neg. I DO NOT ACCEPT PAYPAL. Feedback left and ebay contacted. If you have any questions please feel free to contact me. Thanks and good luck.