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    BTR LS1 Head Gaskets | GM 4.8/5.3/LS1, Sold in Pairs | BTR98544

    Part Number: BTR98544
    Regular Price $99.99

    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 BTR LS1 head gasket is a multi-layered steel (MLS) gasket engineered to seal the cylinder head to the block on GM 4.8, 5.3, and LS1 engines. It is a direct replacement for the factory LS1/LS6 head gasket, sourced from the same supplier as the OEM units. Sold as a pair, it is built to the bore and thickness specs required for a reliable, consistent seal.

    • Part Number: BTR98544
    • Application: GM LS-Series (4.8/5.3/LS1), direct replacement for LS1/LS6
    • Material: Multi-Layered Steel (MLS)
    • Sold As: Pair
    • Bore: 3.910 in
    • Compressed Thickness: 0.051 in
    • Fitment Note: Will not work with early-style notched LS1 cylinder heads

    FAQ

    What engine platforms is this head gasket for?

    This gasket fits GM 4.8, 5.3, and LS1 engines and is sold as part number BTR98544.

    How many gaskets come in this listing?

    This listing includes a pair (two gaskets), enough for a complete engine's left and right cylinder heads.

    What is the bore size and compressed thickness?

    The gasket has a 3.910 in bore and a compressed thickness of 0.051 in, using multi-layered steel (MLS) construction.

    Will this gasket work with early-style notched LS1 cylinder heads?

    No, this gasket will not work with early-style notched LS1 cylinder heads.

    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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