Zongshen Z155 Valve Base Shims
 
These sit under the valve spring against the cylinder head casting.
 
Fits - Z155 &YX160 Heads
 
SPEC:
SHIM O.D = 22.86mm
SHIM I.D = 16.50mm
SHIM THICKNESS = 0.82mm

Item Includes
2x Shim Washers