Seller notes

HOMECHI SIAMOPAGAMENTICONDIZIONISPEDIZIONI Polini crankshafts Big EvolutionCode: 210.0021 The Polini Big Evolution crankshafts are designed exclusively for the Big Evolution cylinder kits in order to improve the quality of the components and performance. The resistance characteristics are increased thanks to specific heat treatments of the alloys. There is space for an 85 mm connecting rod to support the upgraded engines. A key part in the workpiece machining process is precise balancing to mini...

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