Machining Ø54mm crankcase for Ø50mm cylinder ( PARMAKIT , ZETTA)

Machining of a set of engine casings in Ø54mm to pass the Ø50mm kits PARMAKIT , ZETTA... On PEUGEOT 103, MBK 51... You can buy this machining at the same time as a set of ENGINE casings to receive them ready to use. receive the large diameter kit. The price is explained by the program, the assembly, the fixing, the taxes, the hours of labor, the tool participation...