Manley 11492B-8 Titanium Intake Valves Big Block Chevy Dart Heads - 2.250

These high-performance valves are designed for racing and high-RPM applications where reduced valve train weight is critical for maximizing engine performance and reliability.

Key Specifications:

• Valve head diameter: 2.250 inches
• Stem diameter: 0.3415 inches
• Overall length: 0.250 inches longer than stock
• Material: Premium titanium alloy
• Bead loc groove compatible for Dart heads

Advanced Construction Features:

• One-piece forged construction with grain flow pattern for superior strength
• Micro-polished jewel-like surface finish that eliminates stress risers and increases fatigue resistance
• Precision machined in state-of-the-art CNC turning centers and valve stem grinders to exacting tolerances
• No welded head-to-stem joints that could create weak points
• Rigorous final inspection ensures strict quality control and tight tolerance delivery

Manley Performance titanium valves deliver significant weight reduction compared to stainless steel alternatives, allowing for higher engine speeds, improved throttle response, and compatibility with aggressive camshaft profiles. The superior titanium alloy provides an optimal balance of mechanical properties, hardness, ductility, and fatigue strength at high operating temperatures. Ideal for drag racing, road racing, and extreme high-performance street applications.