Manley titanium exhaust valve kit for Small Block Chevrolet, set of eight with 1.600 in head diameter, 0.3415 in stem diameter, 6.090 in overall length and 80 g weight per valve. The one-piece forged titanium design and precision CNC grinding provide tight tolerances and consistent sealing. These valves are specified for reduced valvetrain mass and improved efficiency at high engine speeds.
Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - GB 2000