SIMONINI 4-stud engine casings (special 52x52mm bolt pattern) with complete reed valves for PIAGGIO Ciao with electronic ignitio

High-performance SIMONINI engine cases for PIAGGIO CIAO with electronic ignition. Version with competition reed valve. For flexible intake manifold and 21mm PHBG or POLINI CP type carburetor. These high-performance cases are truly exceptional! They feature a 52 x 52mm cylinder bore and stroke, allowing the installation of various cylinder heads.

-Simonini special 52 x 52mm center distance

-MINARELLI AM6 top-end engines

DERBI Euro 3 top end

-G3 top-end engines / OPEN competition

(Adjust the connecting rod length and base shimming as needed)

The transfers at the base are very well designed and huge!

*Warning: Standard top-end motors cannot be fitted!!!

**Warning, intake outlet on the side! The right side cover cannot be reinstalled!