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    • Replacement Billet Fill Cap for LS Valve Covers Holley

    Holley Replacement Billet Fill Cap, LS Valve Covers, Aluminum | 241-225

    Vendor: Holley
    Part Number: 241-225
    Save $4.16
    Sale Price $33.24 Regular Price $37.40

    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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    This Holley replacement billet aluminum oil fill cap fits Holley LS valve covers and valley covers equipped with an external oil fill, and includes an O-ring for sealing.

    Specifications:

    • Material: Aluminum
    • Finish: Silver (Polished)
    • Thread: 1-5/16 in.-12
    • Includes: O-ring, Qty 1
    • Compatibility: Holley LS valve covers 241-88, 241-89
    • Part Number: 241-225

    OE Camaro and Corvette accessory brackets may need clearance when installing Holley's cast 2-piece and tall LS valve covers and coils.

    FAQ

    What valve covers is this cap for?

    Holley LS valve covers and valley covers with an external oil fill, specifically PN 241-88 and 241-89.

    What's the thread size?

    1-5/16 in.-12.

    Does it include a sealing O-ring?

    Yes, an O-ring is included.

    What material is the cap made from?

    Billet aluminum.

    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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