SBC R/F 1.600in Exhaust Valves

The SBC R/F 1.600in Exhaust Valves from Manley are precision-engineered components tailored for serious small-block Chevrolet engine builders and performance enthusiasts. These valves are specifically designed to meet the demands of high-RPM applications, street performance builds, and racing platforms, where reliability and flow characteristics are crucial for maximizing horsepower and torque output.

Featuring a larger valve head diameter of 1.600 inches, these exhaust valves improve exhaust gas exit velocity and reduce backpressure during the scavenging cycle. The reverse flow (R/F) design enhances gas flow paths through the combustion chamber, promoting efficient exhaust evacuation and supporting higher valve lift profiles. Manufactured from premium materials, these valves are built to withstand high-temperature exposure and mechanical stress common in performance applications.

These exhaust valves are essential for SBC engine builds that utilize aftermarket cylinder heads, performance cam profiles, and aggressive valve-lift rocker systems. Whether you're refreshing a tired 350 or building a competition-ready engine, these valves ensure cylinder sealing integrity and maximize scavenging efficiency, making them a vital component for any performance enthusiast.