The Manley 11539-1 Small Block Chevy Severe Duty Single Exhaust Valves are high-performance upgrades that significantly enhance the output and tone of your engine. Engineered with precision and durability in mind, these valves cater to the needs of serious Chevy enthusiasts and racers, offering improved flow for better performance and reduced backpressure.
Designed to withstand the demands of severe duty applications, these valves feature advanced machining techniques, such as full-length valve faces, to maximize air movement and minimize restriction. The robust steel construction ensures longevity, even under the most extreme conditions.
With a 1.600" bore and a generous 0.026" lift, these valves provide ample breathing room and a smooth, linear power curve. The single-seat design simplifies construction while maintaining the benefits of a dual-seat design. And with a lifetime warranty, you can rest assured that these valves will perform consistently and last for years to come. Choose the Manley 11539-1 Small Block Chevy Severe Duty Single Exhaust Valves for superior performance and value.
