Polini 70cc Kit for '08-'10 SR50 Ditech Factory, with Piaggio* engine.
This kit features cast iron cylinder and aluminum twin ring piston. Head is also aluminum with a one piece head gasket.
This kit includes all parts needed for installation, and will provide a definite boost in max and mid range horsepower.
This cylinder kit does not include an aftermarket ECU but does include an adjustable fuel pressure regulator.
Full installation instructions are included.
Boost Port:

Exhaust Port:

*This kit is for Piaggio engined Ditech only. Piaggio engines have the RH engine cover seen below:

**This kit is intended solely for competition-sports usage. Use on public highways is prohibited. No warranty, express or implied, is offered.