Labwork 70cc Cylinder Piston Top End Kit For Honda C70 1970-1983

-Complete Replacement Cylinder Kit: This product includes a complete standard-sized replacement cylinder kit, providing all the necessary components for a comprehensive replacement.-Enhanced Intake Porting Capability: The improved casting design of this cylinder kit enhances the intake porting capability, resulting in improved performance and efficiency for your compatible Honda motorcycle models.-High-Quality Construction: Made with 100% new materials, this cylinder kit ensures reliable and long-lasting performance. It is designed for durability and precision to meet or exceed OEM specifications.-Precise Specifications: The outer bore size of the cylinder is 47mm, the inner bore size is 39mm, the intake valve outside diameter is 23mm with a length of 66mm, and the exhaust valve outside diameter is 20mm with a length of 66mm. These specifications ensure a proper fit and optimal functionality.-Comprehensive Package: The package includes a cylinder, piston, cylinder head, head gasket