GM LS 1.600 C/6 Exhaust Valve 4.915 OAL

The GM LS 1.600 C/6 Exhaust Valve 4.915 OAL by FERREA is a precision-engineered component designed for serious LS engine builders and performance mechanics who demand reliability under extreme combustion pressures. This exhaust valve is built to withstand the demanding thermal and mechanical loads of modern LS platform engines, making it suitable for street machines, track cars, and high-output crate engine combinations.

Featuring a 1.600-inch head diameter and a 4.915-inch overall length (OAL), this valve is optimized for LS cylinder heads and their specific port designs. FERREA utilizes premium materials and precision tolerances in manufacturing to ensure consistent seating, minimal recession, and extended service life in high-RPM applications. The C/6 designation indicates the valve's stem diameter and heat treatment specification, enhancing corrosion resistance and thermal stability during sustained high-load operation.

LS engine enthusiasts engaged in comprehensive engine builds—from mild street applications to race-prepped powerplants—will appreciate the performance and durability this valve provides. Designed to work seamlessly within tight manufacturing tolerances, it maintains proper overlap timing and combustion efficiency throughout the engine's operating range, making it an essential component for any serious engine build.