Polini crankshaft "Tuning" 57 mm | Vespa PX200, P200, Rally 200, Cosa 200

The Polini crankshaft «Tuning» with 57 mm stroke is a racing crankshaft for rotary valve engines, suitable for your Vespa PX 200, P 200, Rally 200 and Cosa 200.

The finely balanced tuning crankshaft impresses with a stable connecting rod and a flow-optimized steering cheek. The extended intake control angle allows the timing cross-section at the rotary valve to be increased, perfect if you want to tune your large-frame engine cleanly for bandwidth and speed. With 110 mm connecting rods, it is suitable as a robust basis for new builds or if you want to give your engine a stable upgrade. The timing is 138° / 5° after TDC.