Watch in action

Experience Unrivaled Durability with Manley Severe Duty/Pro Flo Intake Valves

For engines that push the limits, Manley Performance introduces the Severe Duty/Pro Flo Intake Valves, engineered to provide exceptional reliability and performance in high-temperature gasoline applications. These valves are built to endure extreme conditions, offering a significant advantage in longevity and operational integrity.

Engineered for Extreme Conditions:

• Exceptional Fatigue Life: Rigorously tested, these valves demonstrate up to 100 million cycles under extreme stress, outperforming competitors by a staggering margin and ensuring long-term reliability.
• High-Temperature Design: Specifically designed for high-temperature gasoline engines, these valves maintain their structural integrity and performance under intense heat loads.
• Premium Materials: Featuring chrome stems and hard tips, these valves are built for enhanced durability and resistance to wear, ensuring consistent performance over time.
• Optimized Combustion Efficiency: Swirl-polished under-head areas and fully machined combustion surfaces promote smoother airflow and more efficient combustion, contributing to overall engine power and efficiency.
• Pro Flo Technology: The Pro Flo design further enhances airflow dynamics, allowing your engine to breathe more freely and achieve higher performance levels.

These Manley Severe Duty/Pro Flo Intake Valves are an essential upgrade for performance enthusiasts and racers who demand the utmost in reliability and durability. Ensure your engine's valvetrain can handle the heat and stress of demanding operation. Get the peace of mind that comes with top-tier components. Explore the full range of Manley Performance products at GGCRACING.