Manley 10649-8 Small Block Chevy Exhaust Valve Set – XH-422 Stainless Steel

Upgrade your Small Block Chevy engine with this premium Manley exhaust valve set, engineered for strength, durability, and high-performance applications. Built from XH-422 stainless steel, these valves provide superior heat resistance and long-lasting wear, making them ideal for street, strip, or race engines.

Specifications

• Manufacturer: Manley

• Part Number: 10649-8

• Application: Small Block Chevy (SBC)

• Material: XH-422 Stainless Steel

• Head Diameter: 1.60″

• Overall Length: 4.910″

• Stem Diameter: 0.341″

• Valve Tip Length: 0.290″

• Valve Seat Width: 0.150″

• Quantity: Set of 8 valves

Key Features & Benefits

• High-Performance Stainless Steel – Handles high temperatures and aggressive cam profiles

• Precision Machined – Ensures optimal sealing, airflow, and combustion efficiency

• OEM-Style Fitment – Direct replacement for Small Block Chevy exhaust valves

• Enhanced Engine Longevity – Designed to resist wear, fatigue, and corrosion

• Ideal for Performance Builds – Perfect for street, strip, and racing SBC engines

Why Choose Customville American?
With decades of experience supplying engine components for classic American cars, we stock Manley performance parts locally, ensuring fast delivery and no import delays, giving UK enthusiasts access to trusted, race-proven components.