DDM

This is the Dave's Motors 30mm Stuffer Stroker Crankshaft (+2mm from stock) for use in Zenoah and CY engines. This is perfect for use with the 30.5cc big bore kit (RCS-CC254) to increase performance...

If you are looking for stump-pulling power for your 1/5 scale R/C vehicle, this is the answer. This is the ultimate upgrade for the HPI Baja 5B and 5T vehicles. This is a custom-built CY31RC engine...