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New Helix X Vittorazi Propeller for Vittorazi Moster (Not Factory) - 140cm - 55mm Bolts
No spacer is needed with the cooling cowl fitted. If the spacer is fitted for your own reason, then 70mm bolts are needed.
The new propellers for the Moster 185 collaboration between Vittorazi and Helix are lighter weight and fast accelerating.
*image for illustration purposes only. Bolt Plate not included.