Description
Designed for high-performance racing applications, the Manley Performance LS3/L99 2.165-inch Race Flo Intake Valves set offers exceptional durability and airflow optimization for engines operating under 8000 RPM. Crafted from high-quality stainless steel, these valves feature chrome stems and hard tips that ensure long-lasting wear resistance, making them ideal for demanding racing environments. The valves are swirl polished under the head areas and fully machined on the combustion faces, which significantly enhances airflow and combustion efficiency, translating to improved engine performance. This specific set is recommended for use in alcohol-fueled engines, especially for exhaust valves, to maintain reliable operation under tough conditions. The variety of shapes, including the Race Flo design, allows for precise tuning to meet the specific needs of your racing engine, whether for bracket, drag, or oval track racing. Engineered to meet rigorous racing standards, these valves are a critical upgrade for racers seeking to maximize power output and engine longevity.
Features:
- Head Diameter: 2.165 inches for optimal airflow
- Stem Diameter: 0.3133 inches for durability and sealing
- O/A Length: 5.200 inches to fit LS3/L99 engines
- Stainless Steel Construction: Ensures high durability and resistance to wear
- Chrome Stems and Hard Tips: Enhance longevity and performance under demanding conditions
- Swirl Polished and Fully Machined: Improves airflow and combustion efficiency
- Variety of Shapes Available: Includes Race Master and Race Flo options for customized performance
- Recommended for Alcohol Engines: Suitable for high-stress racing environments, especially exhaust valves












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