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VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set for Yamaha Upgrade your off-road engine with the VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set , engineered for stronger airflow, smoother response, and improved reed durability. Built with an advanced carbon-fiber reed petal system and precision design features that optimize every pulse of intake air. Key Features Long reed stops for progressive control, reducing petal tip velocity to enhance durability. Reduced frontal area of the central wing with improved aerodynamics. Airfoil-shaped cage tip boosts velocity from outer ports. +10.5% combined reed tip area for stronger airflow. Advanced resin system with carbon fiber lay-up for high strength and reliability. Pre-curved reed petals help deliver a better seal at the tip. Wider reed cage supports maximum airflow. Snap-together installation. Made in the USA . Specifications Model: V-Force 4 Type: Reed Valve, Snap Together Base Color/Finish: Black Material: Carbon Fiber (Reed), Rubber (Base) Units: Set Riding Style: Off-Road Weight: 0.6 lbs Dimensions: 6.66" x 5.14" x 2.87"
Long reed stops added to progressively slow reed petal tip velocity for increased petal durability
Reduced frontal area of the central wing combined with a more aerodynamic shape
Airfoil shape added to cage tip to increase velocity from outer ports
Combined reed tip area is increased by 10.5% for better airflow
Advanced reed petal resin system, carbon fiber and lay-up
Pre-curved reed petal ensures better seal at the tip