13.5 mm long cylinder dowel pin for 50cc GY6 139QMB engines
Cylinder dowel pin, also known as a locating pin, are used to align the cylinder head when installing it on the crankcase
Description

13.5 mm long cylinder dowel pin for 50cc GY6 139QMB engines. Cylinder dowel pin, also known as a locating pin, are used to align the cylinder head when installing it on the crankcase.
Please check the dimensions on the Specs tab to see if this is the correct cylinder dowel pin for your Chinese built 50cc GY6 139QMB engine.,Specifications

Length:
13.5 mm
Outer Diameter:
8 mm