This is a brand new CY 2mm stroker crankshaft. This crankshaft needs to be used with a top end that is cut for the +2mm stroke. If not additional cylinder gaskets will need to be used to achieve a proper squish clearance.
Gasket Kit for G290RC Reed Engines (30.5cc, 29.5cc and 28.5cc) Kit includes cylinder gasket, reed cage gasket, two carb gaskets, v-stack gasket and exhaust.
This is a new Zenoah 28mm stroke crankshaft. This crankshaft was removed from a stock G290RC engine that was converted to a 30.5cc. These cranks may have light surface rust and will need to be cleaned before use.