low hole 15/16″ Gas Motor Bike Engine 80cc Cylinder Head Set Piston KIT 8mm

2-stroke topend 8mm47mm 66cc 80CC Gas motor Motorized Bicycle Engine Cylinder Head Set Piston KIT( piston is low hole 15/16″ or 25mm )for regular short connecting rod engine(cylinder with piston and rings, head, needle bearing, wrist pin, clips, base gasket, head gasket, intake manifold)(4 bolts not included)see picture for 66cc, 2-cycle engine !