EGIG Performance crankshaft for 170cc gray cast iron. Fits Vespa with smallframe. Suitable for rotary valve and diaphragm intake of Piaggio and SIP engine blocks..
Technical characteristics:
- 51mm stroke
- 86.8mm cheek clutch side .
- 82.8 cheek pole wheel side
- 115 Primatist CNC forged conrod
- Both sides 6204 bearing
- Shaft seal ring clutch side 27-47-6