Description:

Replacement for most GY6 50cc Horizontal Engine Scooter,ATV,Moped,Motorcycle,etc. The item fits for 4 stroke 49cc 50cc horizontal engine,not for GY6 engine or vertical engine. The piston diameter:39mm/1.53";The piston pin diameter:13mm/0.51";The length of piston pin:31mm/1.22". Comes with piston rings,a complete set for your motorcycle.Constructed of special spring steel,sturdy and durable for long time use.