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    • TCI SFI Flexplate | GM 6.2L LS9 9-Bolt Internal Balance 168-Tooth | 399755
    • TCI SFI Flexplate | GM 6.2L LS9 9-Bolt Internal Balance 168-Tooth | 399755
    • TCI SFI Flexplate | GM 6.2L LS9 9-Bolt Internal Balance 168-Tooth | 399755
    • TCI399755.jpg

    TCI SFI Flexplate | GM 6.2L LS9 9-Bolt Internal Balance 168-Tooth | 399755

    Vendor: TCI Automotive
    Part Number: 399755
    Regular Price $392.95

    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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    The TCI 399755 is a machined flexplate for GM 6.2L LS9 engines with a 9-bolt crankshaft. It is internally balanced with a 168-tooth ring gear and offers both 11.1in LS and 10.75in small GM bolt patterns. The unit is SFI 29.1 approved. A TCI special build torque converter is required to run it with 4L80E transmissions.

    • Application: GM 6.2L LS9, 9-bolt crank
    • Balance: Internal
    • Ring gear: 168 tooth
    • Bolt patterns: 11.1in LS and 10.75in small GM
    • Construction: Machined
    • Certification: SFI 29.1 approved
    • Note: TCI special build torque converter required for 4L80E
    • Part number: 399755

    FAQ

    What engine does the TCI 399755 flexplate fit?

    It is built for GM 6.2L LS9 engines with a 9-bolt crankshaft.

    What bolt patterns does the 399755 provide?

    It provides both an 11.1in LS pattern and a 10.75in small GM pattern with a 168-tooth ring gear.

    Can the 399755 be used with a 4L80E transmission?

    Yes, but a TCI special build torque converter is required to fit 4L80E transmissions.

    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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