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    • Power Valve Check Ball Kit Holley
    • Power Valve Check Ball Kit Holley
    • Power Valve Check Ball Kit Holley
    • Power Valve Check Ball Kit Holley
    Sale!

    Holley Power Valve Check Ball Kit | 125-500

    Vendor: Holley
    Part Number: 125-500
    Save $4.24
    Sale Price $33.88 Regular Price $38.12

    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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    This Holley power valve check ball kit adds "blowout" protection to pre-'92 Model 2300, 4150, and 4160 carburetors, consisting of a spring, brass seat, and check ball that protect the power valve during a backfire.

    Specifications:

    • Category: Air and Fuel Delivery
    • Fits: Pre-'92 Model 2300, 4150, and 4160 carburetors
    • Kit Includes: Spring, brass seat, check ball, drill bit with stop
    • Instructions included
    • Part Number: 125-500

    FAQ

    What does this kit protect against?

    It protects the power valve from "blowout" damage typically caused by a backfire.

    What carburetors does it fit?

    It's designed for pre-'92 Holley Model 2300, 4150, and 4160 carburetors.

    What's included in the kit?

    The kit includes a spring, brass seat, check ball, the correct drill bit with stop, and detailed instructions.

    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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