VFORCE/MOTO TASSINARI V-Force 4 Petal Set 4PR612M

The V-Force 4 Petal Set is engineered for two-stroke engines demanding maximum airflow efficiency and extended component life. By combining aerodynamic refinements with durability-focused design features, this reed valve assembly delivers measurable gains in intake response and reliability under sustained high-RPM operation. Whether you're running a competition powerplant or pushing a high-performance build to its limits, the V-Force 4 addresses the core challenge of balancing airflow capacity with petal longevity.

• Long reed stops progressively slow petal tip velocity
• Increased petal durability and lifespan
• Central wing area reduced 15.6%
• Aerodynamic shape optimizes airflow pattern
• Combined reed tip area increased 10.5%
• Enhanced total intake airflow
• Rubber overmolding on reed tips
• Reinforced against wear and fatigue
• Airfoil-shaped cage tip design
• Accelerates air velocity from outer ports
• Pre-curved reed petals
• Superior tip seal assurance
• Wider reed cage construction
• Maximizes port airflow capacity
• Order one replacement set per cage
• Manufacturer Part Number: 4PR612M