Manley 11638B-8 Performance Stainless Steel Race Master Intake Valve for Ford 4.6L

The Manley 11638B-8 is a high-performance Race Master intake valve designed specifically for Ford 4.6L modular engines. Engineered for racing and high-performance applications, this valve features superior materials and precision manufacturing to withstand the extreme conditions of modified engines.

Key Specifications:

• Base circle length: 46.83mm
• Premium stainless steel construction for maximum durability
• Race Master series design for high-RPM performance
• Direct replacement for Ford 4.6L SOHC and DOHC applications
• Black nitride stem coating for reduced friction and wear
• Precision machined to tight tolerances for optimal sealing

Features and Benefits:

• Enhanced flow characteristics for improved cylinder filling
• Superior heat resistance compared to OEM valves
• Designed to handle higher valve spring pressures
• Ideal for supercharged, turbocharged, and naturally aspirated builds
• Manufactured in the USA to Manley's exacting standards

Manley Performance has been producing premium valvetrain components for racing and performance applications for decades. Each Race Master valve undergoes rigorous quality control to ensure consistent performance and reliability in demanding racing environments.