Moto Tassinari V-Force 4R Reed Valve System

The all-new VForce4R has been designed to offer you exceptional durability and overcome the shortcomings of the stock reed valve system.

• All-new reed petal resin system, carbon fiber and lay-up
• Pre-curved reed petal ensures better seal at tip
• Wider reed cage for maximum airflow
• Combined reed tip area increased by 10.5% resulting in increased total air flow
• Airfoil shape added to cage tip to increase air velocity from outer ports
• Long reed stops added to progressively slow petal tip velocity, for increased petal durability
• Reduced frontal area of central wing by 15.6% combined with a more aerodynamic shape
• Rubber overmodling on reed tip surface of cage to further enhance petal life
• All-new manifold, reed cage and air guide designed for the VFVorce4R