Manley 11473TB-8 Titanium Exhaust Valve Set — 1.625 in. Head, Small Block

Designed to reduce valvetrain mass without sacrificing strength, these valves improve throttle response and power output while holding up under the extreme temperatures and high RPM demands of performance and racing engines. Each valve is one-piece forged from premium titanium alloy, delivering superior grain flow that eliminates weak points and ensures long-term fatigue resistance. State-of-the-art CNC machining and precision grinding produce tight tolerances for consistent, leak-free seating every time.

Key Features:

• Valve material: Titanium (Titanium Series)
• Head diameter: 1.625 in.
• Stem diameter: 0.3415 in.
• Overall length: 5.660 in.
• Tip length: 0.290 in.
• Margin width: 0.100 in.
• Seat width: 0.100 in. | Seat angle: 45° | Underhead angle: 25°
• Underhead radius: 3/4 in.
• Installed height: 0.700 in. longer
• Bead Loc® keeper groove
• Weight: 87 g per valve
• Quantity: 8 valves per set
• One-piece forged construction for maximum strength and grain integrity
• CNC machined and precision ground for tight tolerances and reliable sealing
• Built for aggressive camshaft profiles and extreme RPM operation
• Rigorously inspected for consistency and reliability

Manley Titanium Exhaust Valves strike the ideal balance of hardness, ductility, and fatigue resistance, making them a trusted choice among performance enthusiasts and professional engine builders alike. Designed for small block Chevrolet, Ford, and Chrysler engines. Compatible with aggressive cam profiles; verify retainer and keeper compatibility with your existing valvetrain components before installation.