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    • Allstar Performance Exhaust Block Off Plates — SBC 23 Degree Head, Plastic | ALL34213
    • Allstar Performance Exhaust Block Off Plates — SBC 23 Degree Head, Plastic | ALL34213
    • Allstar Performance Exhaust Block Off Plates — SBC 23 Degree Head, Plastic | ALL34213
    • ALL34213.jpg

    Allstar Performance Exhaust Block Off Plates — SBC 23 Degree Head, Plastic | ALL34213

    Part Number: ALL34213
    Regular Price $19.99

    In 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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    1-piece exhaust port block off plates, 1/4 in thick. Plastic construction, black finish. Sold as a pair.

    Spec Sheet: Allstar Spec Sheet

    Compatibility

    Fits Small Block Chevy engines with 23 degree cylinder heads.

    FAQ

    What head type is this block off plate for?

    This block off plate fits Small Block Chevy 23 degree cylinder heads.

    What material is this plate made from?

    This plate is made from plastic, 1/4 in thick, in black.

    How many plates are included?

    This listing includes a pair (2 plates).

    Is this the same as the standard SBC aluminum plate?

    No, this is a plastic plate specific to 23 degree heads; the standard aluminum SBC plate is ALL34212.

    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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