Advance crankshaft POLINI 210.0057 cone 20 mm for VESPA 125 ET3 ETS PK PRIMAVERA ET3 XL

POLINI advanced crankshaft 210.0057 cone 20 mm for VESPA 125 ET3 ETS PK PRIMAVERA ET3 XL In order to improve the quality and performance of the original spare parts, the brand new Polini For Race Crankshafts are in production specific for the very famous Vespa 125 Primavera ET3, PK , XL, ETS. As in racing engines, the connecting rod is machined from solid material in order to improve resistance to stress. The intake timing is modified to improve engine performance and the new shoulder design has been optimized to reduce vibrations. Safe and reliable, assembly is recommended with both original and upgraded engines. Code: 210.0056 cone 19 Code: 210.0057 cone 20