Crankshaft POLINI EVOLUTION long stroke 52,8mm for VESPA PRIMAVERA, PK, ETS, ET3, XL ... 125cc 2T

Crankshaft POLINI evolution long race 52,8mm for your vespa 125cc 2T, simply the best race 52,8mm of the market! It can only be mounted with an intake cylinder with flaps! Ideal for a low solid, powerful motor 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! Assembly and finishing are micron precision. The connecting rod is a model machined mass with increased cages and an improved lubrication, the crankpin is also increased! The masses have a studied volume for the good volume low engine in combination of big kits. Also available in normal race version 51mm. This crankshaft must be accompanied by a kit for long stroke 52,8mm or a kit for 51mm stroke with a wedge of 0,9mm under the cylinder! For more strength, bristles are increased. The bearings to use are C4 in internal diameter 20mm! 20X47X14mm and 20X47X12mm, reference 280.0031 at POLINI.

Mounts on :

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