Manley's titanium exhaust valves for Big Block GM with Dart Pro1 heads are engineered to reduce valvetrain mass and improve high-RPM response. This set features 1.880" head diameter, 0.3415" stem and 5.440" overall length with a bead-loc or groove option specified, delivered as a set of eight and finished by precision CNC machining and grinding to ensure consistent sealing and reliable dimensional control.
Manley Titanium Exhaust Valve Kit - Big Block General Motors - Dart Pro1