boyesen radvalve beta injectie rad 94Maximum Power Achieved Through Air Intake, Acceleration and Distribution, A Sophisticated Array of Performance Attributes Designed to Provide Peak Horspower Gains, Durability, and Model Specific Performance for Each Model Model Year Machine That Model, year and displacement, with the new RC2 line Valve System, Boyesen Engineers Have Created A New Lineage of Aerodynamic Intake Technology by Refining the Primary Performance Factors Required to Increase