Manley 11483-8 Titanium Exhaust Valves 1.900" BBC Set of 8

Manley 11483-8 titanium exhaust valves feature forged one-piece construction with grain flow, delivering exceptional strength and durability for high-performance Big Block Chevy applications. These jewel-like valves are machined in state-of-the-art CNC turning centers and valve stem grinders to exacting tolerances, ensuring precise fitment and optimal performance in demanding racing environments.

Key Specifications:

• Valve Type: Exhaust
• Head Diameter: 1.900 inches
• Stem Diameter: 0.3415 inches (11/32")
• Overall Length: 5.540 inches (0.100" longer than stock)
• Material: Premium titanium alloy
• Quantity: Set of 8 valves
• Application: Big Block Chevy (BBC)

Performance Benefits:

• Forged one-piece construction with grain flow - micro-polished for a jewel-like surface finish
• Utilizes the finest titanium alloys providing the best balance of mechanical properties, hardness, ductility, and fatigue strength
• Reduced reciprocating weight improves valvetrain performance and RPM potential
• All valves must pass rigorous final inspection with strict quality control for tight tolerances
• Ideal for drag racing, road racing, and high-performance street applications

Important Notes:

• Fits square groove design
• Does not include hard tip - tip protection required
• Special order item, non-returnable

Manley Performance is recognized as a leading manufacturer of performance and racing valves worldwide. These titanium valves represent the pinnacle of valvetrain technology, engineered for engines where reliability and performance cannot be compromised.