Crankshaft POLINI EVOLUTION race origin 51mm for Vespa PRIMAVERA, PK ETS, ET3, XL 125cc 2T ...

Crankshaft Polini evolution race as the origin of 51mm for your Vespa 125cc 2T, simply the best race origin of the market! Ideal for a low solid, powerful engine with less vibration! This linkage of very high quality is 100% made ​​in Italy, it has a dynamic balancing specifically designed for high speeds and very large loads of torque and power! Fit and finish are pTet micron accuracy. The connecting rod is machined mass model with increased cages and improved lubrication, the pin is also increased! The masses have a volume designed for the low volume engine good combination of large kits. Also available as long 52,8mm stroke. For added strength, the bristles are increased. The bearings used are C4 internal diameter 20mm! 20X47X14mm and 20X47X12mm, in reference 280.0031 POLINI.

Itself on:

-VESPA 125cc ET3
-VESPA 125cc ETS
-VESPA 125cc PK
-VESPA 125cc PRIMAVERA
-VESPA 125cc XL