• ARP400-8764.jpg
    • ARP400-8764.jpg

    ARP Hex Nyloc Nut, 3/8-24 Fine Thread, Nylon Insert, Stainless, Set of 5 | 400-8764

    Vendor: Auto Racing Products
    Part Number: 400-8764
    $4.49

    Currently out of 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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    Product DetailsFAQReviewsRelated Products

    ARP stainless steel hex locknut with a nylon insert for vibration resistance, 3/8-24 fine thread. Polished finish. Sold as a set of 5.

    Specifications:

    • Thread: 3/8-24 in (Fine)
    • Head: Hex
    • Locking Feature: Nylon Insert
    • Material: Stainless Steel
    • Finish: Polished
    • Quantity: Set of 5

    FAQ

    What thread size is this ARP nyloc nut?

    This ARP hex nyloc nut has a 3/8-24 fine thread.

    How does this nut resist loosening?

    It has a nylon insert built into the nut that creates friction against the bolt threads, helping prevent it from vibrating loose.

    What material and finish does it have?

    It's made from stainless steel with a polished finish.

    How many nuts are included?

    This listing includes a set of 5.

    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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