Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10777-8

Manley's Street Series valves are the ideal choice for enthusiasts looking to boost the performance of a stock or mildly modified street engine.

Features

• High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.
• Chrome Stems and Hard Tips: These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.
• Swirl Polished and Fully Machined: The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.
• Variety of Shapes: Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.

Specs

• Manley Valve
• Exhaust, Valve-SBC S/M 1.500
• Product Market: Domestic
• Head Diameter: 1.500
• Valve Head Diameter: 1.500
• Stem Diameter: 0.3415
• Valve Stem Diameter: 0.3415
• O/A Length: 4.911
• Valve Length: 4.911
• Valve Tip Length: 0.250
• Tip Length: 0.250
• Margin Width: 0.060
• Seat Width: 0.100
• Top of Head: 10 Degree Dish
• Valve Head Shape: 10 Degree Dish
• Underhead Angle: 15.00
• Underhead Radius: 1/2
• Valve Series: Street Series
• Valve Sub-Series: Street Master
• Valve Material: Stainless Steel
• Valve Type: Exhaust
• Product Type: Engine Exhaust Valve Kit
• Valve Quantity: 8
• Engine Valve Quantity: 8
• Industry: Automotive