YOU ARE BIDDING ON A NEW 2 AND 4 STROKE  NEEDLE VALVE SEAL ONLY.THIS FITS MOST ENGINES,ALL MAKES AND MODEL WITH INSIDE THREAD NEEDLE.THIS IS A RUBBER BOOT TO SEAL THE NEEDLE TO SPRAYBAR. THIS IS FOR ONE SEAL ONLY.SEE PHOTO OF SEAL ON CARB.Check out my other items!Be sure to add me to your favorites list!