crankshaft Top Performances 44mm stroke for 85cc cylinder kit for Minarelli AM5, AM6

Top Performances long stroke (44mm) racing crank. Together with the big bore cylinder kit (49.5mm), this creates an 85cc capacity. Only suitable for use with the relevant Top Performances cylinder kit. Suitable for Minarelli AM6 engines. Delivery includes crank bearings, small end bearings and alternator shim (offset).