T.U. Piaggio Vespa small frame d.66×51 (175cc) “SIXTY SIX” con rod 110mm

– Ø 60 aluminium bridge exhaust port – coat with nickel – “integral” head with side spark plug hole – Forged Vertex piston with double steel piston-ring

We suggest to fixi it on renforced crankase as Parmakit, Sip etc.  NOT adapt on original crankcase

The cylinder cover need to be adapt

The Kit is designed for endurance racing and not for acceleration or sprint racing.