The Manley Performance Race Series exhaust valves are engineered for high-performance applications, specifically designed for engines operating under 8000 RPM. Crafted to meet the demanding needs of bracket, drag, and oval track racers, these valves deliver exceptional durability and reliability. Constructed from high-quality stainless steel, they provide outstanding resistance to heat and wear, making them an ideal choice for racing engines requiring consistent performance. The valves feature swirl polished under head areas and fully machined combustion faces, which help optimize airflow and enhance combustion efficiency, contributing to improved horsepower and throttle response. Designed for alcohol engines, these valves ensure dependable operation under the most challenging conditions, thanks to their robust materials and precision engineering. The set includes eight exhaust valves with a 1.654-inch stem diameter, available in Race Master (straight stem) and Race Flo shapes to suit various racing setups. Chrome stems and hard tips are incorporated to extend service life and resist wear over time, ensuring sustained performance across multiple racing seasons. Whether you are building a high-performance Hemi engine or upgrading your existing setup, these valves are an excellent choice for achieving maximum power and durability in competitive racing environments.
Features:









