Pit Dirt Bike 125cc 54mm 14mm Pin Piston Ring Oil Gudgeon Circlip Kit Barrel 125
This is a 125cc 4-stroke piston kit. This piston kit is one of the sizes used in 110 - 125cc pit bikes. 110cc pistons are a similar size but have a flat top without indents. 120cc pistons are also a similar size but have a dished top.