Cylinder set 63mm for 4 valves UPOWER

Parts components 
:
Piston
 
set 4 valves 63mm, pin diameter 13mm
Nickasil 63mm
 bore
 cylinder
 with
 axis
 between
 stud
 holes
 type
 KLX110
Outside diameter to fit into the crankase 66.3mm 
B
ase gasket
Head gasket
Caution, need to bore up the crankcase up to 67x19mm (except on 150-UPower engines)