A7TC Plug Spark Replacement for 50cc-125cc horizontal Engine Replacement for: 50cc 70cc 90cc 110cc 125cc 140cc 150cc Pit Dirt Bike Motorcycle ATV Quad Scooter Moped Buggy Go Karts Size: Thread diameter:10mm/0.39",Length: 69mm/2.71" Package Include: Spark Plug*4pcs