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    Advance Adapters Transfer Case Adapter, Ford 6R80 Transmission to Dana 20, 1966-1977 Ford Bronco | 50-3901

    Part Number: 50-3901
    Regular Price $716.63

    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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    The Advance Adapters 50-3901 is an adapter kit that mates a Ford 6R80 transmission to a Dana 20 transfer case. It is designed for 1966 to 1977 Ford Bronco applications, allowing a 6R80 transmission swap while retaining the Dana 20 transfer case.

    Specifications

    • Type: Transmission to transfer case adapter kit
    • Transmission: Ford 6R80
    • Transfer case: Dana 20
    • Application: 1966 to 1977 Ford Bronco
    • Sold as: Kit
    • Part Number: 50-3901

    Vehicle Applications

    • 1966 Ford Bronco
    • 1967 Ford Bronco
    • 1968 Ford Bronco
    • 1969 Ford Bronco
    • 1970 Ford Bronco
    • 1971 Ford Bronco
    • 1972 Ford Bronco
    • 1973 Ford Bronco
    • 1974 Ford Bronco
    • 1975 Ford Bronco
    • 1976 Ford Bronco
    • 1977 Ford Bronco

    FAQ

    What does this adapter do?

    It mates a Ford 6R80 transmission to a Dana 20 transfer case.

    What vehicle is it for?

    It is designed for the 1966 to 1977 Ford Bronco.

    Is it a complete kit?

    Yes, it is supplied as a kit.

    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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