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Manley Titanium Series exhaust valves for Chevrolet big‑block use one‑piece forged titanium construction with a 1.900in head diameter and 0.3415in stem, 6.490in overall length, set of 8. They reduce valvetrain mass for improved throttle response, are CNC machined and precision ground for consistent sealing, and are inspected for reliability in high‑RPM racing environments.
Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief
