VMC crankshaft with round flywheels 87 mm, stroke 54, cone 20, connecting rod centre distance 105.00 mm

Description

Crankshaft for Vespa with full shoulders VMC stroke 54, cone 20, CNC connecting rod 105 mm, shoulders 87 mm This shaft is manufactured in Italy with the best steels and the best treatments. The roller cages and shims are the best on the market. The connecting rod is CNC machined from a piece of forged steel. The dynamic balance has been calculated for the weight of the pistons of the best performing thermal units on the market. Fits on original crankcases or aftermarket crankcases with original dimensions with bearings and oil seals In order to be mounted, the engine crankcase must be bored to 88 mm in the crank chamber because the shoulders are 87 mm.