A7TC spark plug Mainly for gy6 scooter moped atv dirt bike 50cc 110cc 125cc 150cc engine,for Horizontal Engine Series: 50cc,70cc,90cc,110cc,125cc dirtbikes ATVs Cubs HONDA CRF50 DAX and so on.for Transmission: All Chinese Made 50cc 139QMB, 125 150cc 154QMI 157QMJ Scooters, ATVs and Go-Carts Diameter Thread: 10mm Thread Length: 12.7mm This spark plug is a high peformance racing 3 electrode spark plug
