Cylinder head for Honda Monkey, Dax, Chaly, gorilla, SS50 and Replicas.
Inlet valve: 23mm
Exhaust valve: 20mm
Inlet port: 20mm
Outlet port: 20mm
Combustion chamber diameter: 39mm to 47mm "shaped" (see photo)
The cylinder head is "full" and will pre-assembled delivered including valves, rocker arms, rocker arm shaft, double ball bearing camshaft (35 +32 mm bearings), camshaft sprocket, cylinder head cover and cylinder head gasket set.
The valves must be adjusted after installation.
The cylinder head fit 50cc and 70cc engines whose piston top is designed for 50cc heads.