BBC S/D 1.720in Exhaust Valves

The BBC S/D 1.720in Exhaust Valves by Manley are precision-engineered components specifically designed for high-performance applications in big block Chevrolet engines. These valves cater to racing enthusiasts and professionals who seek to maximize their engine builds' performance. With a focus on enhancing exhaust flow, these valves are essential for achieving optimal power and torque.

Manufactured from high-quality materials, the BBC S/D 1.720in Exhaust Valves are designed to withstand extreme heat and pressure, ensuring durability and efficiency. Their carefully engineered shape facilitates smooth exhaust gas evacuation, which is critical for maximizing engine performance. This design also minimizes the risk of valve float, making them a reliable choice for high-revving applications.

Ideal for racers and builders aiming to enhance their big block Chevrolet's performance, these exhaust valves can significantly boost horsepower and efficiency. While they are compatible with various aftermarket cylinder heads, it is recommended to verify compatibility with specific systems. Upgrading to the BBC S/D 1.720in Exhaust Valves is a smart choice for anyone serious about engine performance.