Pistonring set 54mm. For the new model pistons, like: GB5, GK4, GB4, GB0, 126, GT0

Piston set CB50 42mm. This is the standard size !

Piston set CB50 42.25mm. This is the first oversize.

Piston set CB50 42.5mm. This is the second oversize.

Piston set CB50 42.75mm. This is third oversize.

Piston set CB50 43mm. This is fourth oversize.

70cc Cilinder steel 47mm with 72cm3 indication. This cilinder has a bore of 47mm and a height of 63mm and is suitable for almost all 6-volt and 12-volt engines.

Piston pin 50cc 13x31 Genuine Honda. Can be used for almost all Honda 50cc enginese as well as the 50cc chinese replica engines.

Piston pin clip 13mm Genuine Honda. For almost all Honda engines and chinese replica engines from 50cc up to 110cc.

Piston pin 70cc 13x38.5 Genuine Honda. Can be used for almost all Honda 70cc enginese as well as the 70cc chinese replica engines.