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    • Single-Stage Power Valve Standard Flow 4.5 Inch High Holley
    • Single-Stage Power Valve Standard Flow 4.5 Inch High Holley
    • Single-Stage Power Valve Standard Flow 4.5 Inch High Holley
    • Single-Stage Power Valve Standard Flow 4.5 Inch High Holley
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    • 125-45_02_P01_SID.jpg
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    Sale!

    Holley Single-Stage Power Valve, Standard Flow 4.5 in. Hg | 125-45

    Vendor: Holley
    Part Number: 125-45
    Save $2.21
    Sale Price $17.71 Regular Price $19.92

    In Stock

    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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    This Holley single-stage power valve opens at 4.5 in. Hg, delivering a standard-flow fuel enrichment calibration for compatible Holley carburetors.

    Specifications:

    • Category: Air and Fuel Delivery
    • Product Type: Power Valve
    • Opening Vacuum: 4.5 in. Hg
    • Includes gasket
    • Part Number: 125-45

    FAQ

    What vacuum setting does this power valve open at?

    It opens at 4.5 in. Hg, a standard-flow calibration.

    Does it include a gasket?

    Yes, a gasket is included with the power valve.

    Is this a single-stage or two-stage power valve?

    This is a single-stage power 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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