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    Sale!

    Manley Manley Valve - Intake, Valve-BBC PONT 2.400 11582-1

    Vendor: Manley
    Part Number: 11582-1
    Save $12.98
    Sale Price $38.93 Regular Price $51.91

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400°F, Manley exhaust valves endured 100 million cycles, while competitors failed after just 100,000, proving a 1,000× longer fatigue life. Each valve features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces for superior airflow, efficiency, and wear resistance. Built for those who demand race-winning strength and precision, Manley Severe Duty® Valves set the industry standard for performance and endurance.


    Manley Manley Valve - Intake, Valve-BBC PONT 2.400 11582-1


    Specifications:

    Product Market Domestic
    Head Diameter 2.400
    Valve Head Diameter 2.400
    Stem Diameter 0.3415
    Valve Stem Diameter 0.3415
    O/A Length 6.600
    Valve Length 6.600
    Valve Tip Length 0.250
    Tip Length 0.250
    Margin Width 0.050
    Seat Width 0.075
    Top of Head 5 Degree Dish
    Valve Head Shape 5 Degree Dish
    Underhead Angle 10.00
    Underhead Radius 3/8
    Cylinder Head Pontiac Pro Stock
    Valve Series Severe Duty? Series
    Valve Material Stainless Steel
    Valve Type Intake
    Product Type Engine Intake Valve
    Valve Quantity 1
    Engine Valve Quantity 1
    Industry Automotive
    Out of Stock Message Call for Availability
    Title Manley Valve - Intake, Valve-BBC PONT 2.400
    Prop 65 Yes/No Yes
    Prop 65 (C, R or CR) CR
    Prop 65 - Short Label Prop 65 Warning Label.JPG
    Engine Type ICE
    Make Chevrolet
    Engine Big Block
    Description_SHO Valve - Intake
    Description_INV Valve-BBC PONT 2.400
    Description_ASC Manley Valve - Intake, Valve-BBC PONT 2.400.
    Description_LAB Severe Dty BBC Int. Vlv - 2.400 in. Head Dia.,6.600 in. O/A ,.3415 in. Stem
    Description_DES Manley Valve - Intake, Valve-BBC PONT 2.400
    Description_EXT Manley Valve - Intake, Valve-BBC PONT 2.400
    Description_MKT Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400°F, Manley exhaust valves endured 100 million cycles, while competitors failed after just 100,000, proving a 1,000× longer fatigue life. Each valve features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces for superior airflow, efficiency, and wear resistance. Built for those who demand race-winning strength and precision, Manley Severe Duty® Valves set the industry standard for performance and endurance.
    Description_FAB Proven fatigue strength for extreme performance
    Description_FAB Chrome stems and hard tips enhance durability
    Description_FAB Exotic alloys for superior tensile strength, reliability, and longevity
    Description_FAB Swirl polishing and machined faces improved airflow/optimized efficiency
    Description_TLE Manley Severe Duty? Series Chevrolet Big Block Intake Valve - 2.400 in. Head Dia., 6.600 in. O/A , 0.3415 in. Stem
    Description_DEF Engine Intake Valve


    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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