Piston set 51mm NT 70 head

Product description

51mm piston set 85cc with a standard stroke crankshaft.
Fits with the following cylinder head & crankshaft combination:
- NT 70cc cylinder head.
- GK4 Crankshaft.

A GK4 crankshaft is found in 12 volt engines such as:
- Skyteam Dax & PBR.
- Zhenhua Dax.
- C50 NT with GK4 crankshaft.
- CD50 Benly.
- CL50 Benly.