Tigerking  28.6 stroke crank for the Tiger king S-27 engine and S-26 . Also fits all zenoah type 2 bearing and 4 bearing crankcases.Crank rod has been grove cut on the bottom of the large end of the rod for extra oiling of the lower bearing Also the top has been drilled for extra oiling also. 28.6 mm stroke,Full circle, This crank is for marine engine only.

Please note that these are NOT 28.6 stroke crank