Wings Spark Plug A7TC A7TJC 3 Electrode GY6 50cc-125cc Moped Scooter ATV Quads Hot Sale Please read the size of the listing second picture carefully and compare with your old one ! Diameter Thread: 10mm Thread Length: 12.7mm Fit model :A7TC A7TJC 3 Electrode is easy to start not with much more Power !