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.