Manley 12366-8 Race Master Intake Valve 38.5mm Toyota 3UR-FE 5.7L

The Manley 12366-8 Race Master intake valve is engineered for Toyota 3UR-FE 5.7L engines, delivering enhanced performance for bracket racing, drag racing, and oval track applications. This high-performance intake valve features a 38.5mm head diameter and is designed for engines operating under 8000 RPM.

Key Features:

• High-quality stainless steel construction (NK-842 material) for exceptional durability and longevity
• Chrome stem and hard tip for enhanced wear resistance and extended service life
• Swirl polished under-head area and fully machined flat-face combustion surface for optimized airflow
• Race Master straight stem design for precise valve control
• 38.50mm head diameter with 0.2155-inch stem diameter
• 106.05mm overall length with 10-degree underhead angle
• 1/4-inch underhead radius for smooth airflow transition

Manley's Race Series valves are precision-engineered to meet the demanding requirements of high-performance racing applications. The flat-face design with backcut improves airflow characteristics and combustion efficiency, helping maximize horsepower and throttle response.