Manley 11401T-8 Titanium Exhaust Valve 1.600 Inch Head Diameter Set of 8

The Manley 11401T-8 features forged one-piece titanium construction with grain flow, delivering exceptional strength and durability for high-performance engine applications. These precision valves are machined in state-of-the-art CNC turning centers and valve stem grinders to exacting tolerances, ensuring consistent performance in demanding racing and performance environments.

Key Specifications:

• Type: Titanium Exhaust Valve
• Head Diameter: 1.600 inches
• Stem Diameter: 0.3415 inches
• Overall Length: 5.060 inches (0.100 longer than stock)
• Tip Length: 0.290 inches
• Underhead Angle/Radius: 15? x 1/2 inch
• Margin: 0.100 inches
• Seat Width: 0.100 inches
• Weight: 73 grams per valve
• Quantity: Set of 8 valves
• Keeper Groove: Conventional square groove

Performance Features:

• Premium titanium alloy provides optimal balance of mechanical properties, hardness, ductility, and fatigue strength at high temperatures
• Significantly lighter than stainless steel valves, reducing valvetrain inertia
• One-piece forged construction eliminates welded stem weak points
• Passes rigorous final inspection process with strict quality control for tight tolerances
• Ideal for small block GM, Ford, and Chrysler racing applications

Designed for serious racers and performance enthusiasts, these titanium exhaust valves deliver the durability and precision required for high-RPM, high-temperature operation. Perfect for engines requiring 1.600-inch exhaust valves with 0.3415-inch stem diameter.