Complete replacement top-end kit for the Zenoah G230RC engine. Includes new-style optimized stock 32mm cylinder for Zenoah G230RC engine (found on newest 'red cap' engines), piston, piston ring, snap rings, pin washer set, and cylinder base gasket. Also works as a replacement top-end for the CY23RC engine. This high-performance product comes without warranty.
Zenoah part # X374323198.
If used on a CY bottom end, you need to include the Zenoah Pin Bearing