Polini Big Evolution reed valve for Minarelli horizontal 50/100cc 2-stroke engines.

High end modular reed valve design, the CNC machined adaptor plates are finished with Polini blue anodizing. Ideally suited to carbs up to 28mm for powerful racing engines.

0.35mm carbon fibre reed petals.

This reed valve can be used directly with a Polini 360° rubber manifold adapter.

Reed valve gasket & 4 Allen screws included.

You are required to open the crankcases to allow this reed valve to fit correctly. Instructions are included.

Polini 213.0052