Manley Small Block Chevrolet 1.500 Budget Performance Exhaust Valves - 10577-8

Manley's Performance Series valves are engineered to meet the demands of enthusiasts seeking top-tier performance.

Features

• Premium Stainless Steel: The Performance Series valves are available as XH-422 for exhaust and NK-840 for intake, constructed from high-quality stainless steel for optimal performance.
• Chrome Stems and Hard Tips: These valves boast chrome stems and hard tips, ensuring exceptional durability, even under extreme conditions.
• Swirl Polished and Fully Machined: The under head areas are expertly swirl polished, and the combustion faces are fully machined, optimizing airflow and combustion efficiency for maximum power.
• Variety of s: Tailor your valve selection to your engine's needs with options for stock or .100 longer s.

Specs

• Manley Valve
• Exhaust, Valve-SBC B/P 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
• Valve Head Shape: 10 Degree Dish
• Underhead Angle: 15.00
• Underhead Radius: 1/2
• Valve Series: Performance Series
• Top of Head: 10 Degree Dish
• Seat Width: 0.100
• Valve Sub-Series: Budget Performance
• Valve Material: Stainless Steel
• Valve Type: Exhaust
• Product Type: Engine Exhaust Valve Kit
• Valve Quantity: 8
• Engine Valve Quantity: 8
• Industry: Automotive