CY +1mm Crankshaft Assembly
1mm stroker crank from Chung Yang - increases the cc's of your motor. 28mm stroke - 1mm longer than stock 28mm stroke. Forged, heat treated, and ground. Journal diameter same as stock G230RC crank. Fits Zenoah G23LH , G230RC /, G260RC. Also fits Chung Yang CY23RC / CY26RC / CY27RC / GP290 engines.
Note: May require modifications to the piston for proper journal clearance on the piston skirt
For more information, please visit this products webpage.