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    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    • Complete Transmission Installation Kit 8-Bolt LS or LT Engine to TKX / TKO Everything You Need to Connect an 8-Bolt LS or LT Engine to a Tremec TKX or TKO Transmission Holley
    Sale!

    Holley Complete Transmission Installation Kit, 8-Bolt LS/LT to TKX/TKO | 319-505

    Vendor: Holley
    Part Number: 319-505
    Save $257
    Sale Price $2,049.95 Regular Price $2,306.95

    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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    This installation kit bolts a Tremec TKX or TKO transmission to 8-bolt flywheel LS and Gen V LT Small Block Chevrolet engines built after 2009, combining trusted Lakewood and Hays components into one complete package.

    Specifications:

    • Category: Transmission
    • Engine: GM Gen III/IV (LS)
    • Crankshaft Bolt Hole Count: 8
    • Bellhousing Material: Aluminum
    • Flywheel Material: Billet Steel
    • Disc Diameter: 12 in.
    • Disc Material: Organic
    • Disc Style: Spring Hub
    • Pressure Plate Style: Diaphragm
    • Pilot Bearing: Roller
    • Release Bearing: Hydraulic
    • Input Shaft Diameter: 1-1/8 in.
    • Input Spline: 26
    • Transmission Fitment: Tremec TKX / TKO
    • Sub Category: Manual Transmission Components
    • Part Number: 319-505

    Includes a cast aluminum bellhousing and stamped steel dust cover, a lightweight billet steel flywheel, a 26-spline organic sprung clutch rated up to 550 naturally aspirated horsepower (500 with a power adder), an adjustable hydraulic release bearing, and all mounting hardware. Works with OE or MSD High Torque starters.

    FAQ

    What engines does this kit fit?

    8-bolt flywheel LS and Gen V LT engines built after 2009, such as LSA, LT1, LT4, L83, and similar truck engines.

    What is the clutch rated for?

    Up to 550 naturally aspirated horsepower, or 500 horsepower with a power adder.

    What's the difference between this and the 319-504?

    The 319-504 is the equivalent kit for 6-bolt flywheel Gen III/IV LS engines built before 2009.

    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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