Features & Benefits
- Fits various Honda models such as ATC70, CRF70F, XR70, CT70, C70, and S65
- Outer bore size of 47mm and inner bore size of 39mm
- Can be used for both 50cc and 70cc engines but only for domed 50cc or flat top 70cc
- Intake valve outside diameter of 23mm and exhaust valve outside diameter of 20mm