1mm stuffer stroker crank - increases the cc's of your motor.
29mm stroke - 1mm longer than stock 28mm stroke.
Built in stuffer reduces crankcase volume, increasing primary compression.
Must use with 2 stacked cylinder gaskets or head kit when using with Chung Yang engines.
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.