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    • AEB5M590H-10.jpg

    ACL Small Block Ford .010in Undersize H-Series Main Bearing Set | 5M590H-10

    Vendor: ACL
    Part Number: 5M590H-10
    Regular Price $122.99

    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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    The ACL 5M590H-10 is a main bearing set from ACL's H-Series line, machined to a 0.010 in undersize specification for Small Block Ford engines. This size is intended for use where the crankshaft main journal has been reground to that 0.010 in undersize dimension, not for a stock journal.

    Specifications:

    • Type: Main Bearing Set
    • Series: H-Series
    • Size: 0.010 in Undersize
    • Engine Fitment: Small Block Ford
    • Part Number: 5M590H-10

    FAQ

    What size is the ACL 5M590H-10 bearing set?

    It is machined to a 0.010 in undersize specification, for use with a main journal that has been reground to that dimension.

    What engines does the ACL 5M590H-10 fit?

    It is designed for Small Block Ford engines.

    Is this a Standard-size bearing?

    No, it is a 0.010 in undersize bearing, not the Standard-size set.

    What ACL series is the 5M590H-10 part of?

    It belongs to ACL's H-Series line of engine bearings.

    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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