HKS Super Fire Racing Spark Plugs - New - Set of 4 - M45HL These are equivalent to #9 plugs. I purchased these but ended up not replacing them, and they have been stored at home. I am offering a set of 4 new, unused plugs. Thank you. Everything in the images is included. Returns are not accepted. Please understand. Please refrain from purchasing if you are concerned about minor details. Thank you.