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    • AED5120.jpg

    AED Needle & Seat Hardware Kit, Gaskets/Nuts/Screws | 5120

    Vendor: Advanced Engine Design
    Part Number: 5120
    $6.88

    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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    Product DetailsFAQReviewsRelated Products

    This AED hardware kit supplies the small parts needed to install or service externally adjustable float needle and seat assemblies on Holley carburetors. It includes the adjusting nuts, locking screws, and gaskets needed to complete the assembly.

    Specifications:

    • Includes: 2 adjusting nuts, 2 locking screws, 4 gaskets
    • Application: Externally adjustable float needle and seat
    • Fits: Holley carburetors
    • Sold: Kit
    • Part Number: 5120

    FAQ

    What does the AED 5120 hardware kit include?

    It includes 2 adjusting nuts, 2 locking screws, and 4 gaskets.

    What is this kit used for?

    It supplies the hardware needed to install or service externally adjustable float needle and seat assemblies.

    What carburetors is this kit designed for?

    It is designed for Holley carburetors using externally adjustable float needle and seat assemblies.

    Does this kit include the needle and seat itself?

    No, this kit is hardware only — the needle and seat assembly is sold separately.

    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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