A7TC Spark Plug Fit For 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc Bikes Strong Spark Smooth Engine Ignition Fit For A7TC spark plug compatible For all horizontal 50cc to 160cc For pit bikes, scooters ATV four-stroke engines core electrode delivers stable strong spark for smooth idle, fast cold startup full throttle power output range matched for small displacement engines to pre-ignition, carbon buildup plug fouling Standard thread size hex design for quick hand tightening, fits cylinder head plug port without adapter Durable insulator shell temperature vibration to extend life during off-road riding