Skip to Product Info
    • MSD Cap-A-Dapt Adapter Base, For PN 8445/PN 8420 | 8446
    • MSD Cap-A-Dapt Adapter Base, For PN 8445/PN 8420 | 8446
    • MSD Cap-A-Dapt Adapter Base, For PN 8445/PN 8420 | 8446
    • MSD Cap-A-Dapt Adapter Base, For PN 8445/PN 8420 | 8446
    • Adapter Base, Cap-A-Dapt, Pn 8445/Pn 8420 Replacement Part MSD Ignition
    • 8446.jpg
    • 8446.jpg
    Sale!

    MSD Cap-A-Dapt Adapter Base, For PN 8445/PN 8420 | 8446

    Vendor: MSD
    Part Number: 8446
    Save $5.20
    Sale Price $41.62 Regular Price $46.82

    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.
    Payment & Security

    Secure, encrypted checkout. Card details go straight to the payment processor and are never stored by us.

    • Amazon
    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Share to:

    This is a replacement adapter base for MSD's Cap-A-Dapt kits, PN 8445 and PN 8420.

    Specifications:

    • Fits: MSD Cap-A-Dapt PN 8445 / PN 8420
    • Color: Black
    • Quantity: 1
    • Category: Distributor Cap Spacer/Adapter
    • Warranty: Manufacturer's Limited 1 Year Warranty
    • Part Number: 8446

    FAQ

    What is the MSD 8446 adapter base used for?

    It's a replacement adapter base for MSD Cap-A-Dapt kits PN 8445 and PN 8420.

    What color is this part?

    Black.

    How many are included?

    One adapter base per package.

    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.

    Recently Viewed