Venturi with 5.5mm I.D. for CR.12FV and REF.12Ví«ÌÎ_í«ÌÎ_Novarossi Engines.The engines comes stock with a 3.8mm ID venturi.
These custom made venturi allow for more options for increased performance. Pressure tanks may be required. These venturi have sufficient material duringí«ÌÎ_their CNC fabrication to allow for easy enlargement by modeler.í«ÌÎ_