Stage6 HPC 44mm crankshaft for Minarelli AM6 50cc 2-stroke engines.

This crankshaft is to top choice for racing cylinders. The HPC (high primary compression) design is lighter than others with alloy weights used to balance the crank. A high strength conrod with wide bearing remains stable at extreme engine speeds, perfect for racing cylinders.

The HPC crankshaft has been designed to be used with Streetrace & Big Racing 86cc kits and can be used with other racing and high-end cylinder kits requiring a 44mm stroke crankshaft.

44mm stroke, 85mm conrod, 20mm journals.

Please note: the crankcases will need to be milled to allow for clearance of the conrod.

Stage6 S6-8018809