This is a high quality Kitaco Co product manufactured in Japan Complete bore up kit including all top end gaskest and a reinforced valves springs set It is designed for all vintage 70cc 6V models with domed piston You can use genuine camshaft or use a Kitaco SPL one to increase performances It is recommended to put a high flow oil pump and a set of reinforced clutch springs Brand new in box I can supply all parts from the brand Paypal payment SAL shipping service from JP ePackey also available with additional fees, please ask Returns are not accepted