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    • m2_cbi-obo_16.jpg

    BTR DOD/AFM Block Off Plug Kit | Gen IV LS & Gen V LT | CBI/OBO

    Vendor: Brian Tooley Racing
    Part Number: CBIOBO
    $40.00

    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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    Product DetailsFAQReviewsRelated Products

    This BTR block off plug kit covers the AFM/DOD oil galley passages under the valley cover on Gen IV LS and early Gen V LT engines, an economical way to disable the factory Displacement on Demand system. The 8-plug kit is designed to install with the engine still in the vehicle, unlike some plug or rivet kits that require engine removal.

    • Part Number: CBI/OBO
    • Application: Gen IV LS 5.3L (LY5, LMG, LC9, LH6, LS4, L76, L77, L94, L99) and Gen V LT 2005-2019 (L8B, L82, L83, L86, LT1, LT4)
    • Contents: 8 block-off plugs
    • Install: No engine removal required

    FAQ

    Which engines does the CBI/OBO kit fit?

    It fits Gen IV LS 5.3L engines (LY5, LMG, LC9, LH6, LS4, L76, L77, L94, L99) and Gen V LT engines from 2005-2019 (L8B, L82, L83, L86, LT1, LT4).

    Do I need to pull the engine to install this kit?

    No. This plug kit is designed to install with the engine still in the car, unlike some plug or rivet kits.

    What if my engine is a later Gen V truck/SUV or a C8 Corvette?

    For 2019+ truck and 2021+ SUV Gen V L84/L87 engines use BTR part number GENV+DODPLUGKIT. For C8/LT2 Corvette applications use BTR part number LT2DODPLUGKIT.

    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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