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  • MSD Power Grid 4-Connector Hub Black Housing Required When Adding More Modules To Your Power Grid. Now In Black MSD Ignition
  • MSD Power Grid 4-Connector Hub Black Housing Required When Adding More Modules To Your Power Grid. Now In Black MSD Ignition
  • MSD Power Grid 4-Connector Hub Black Housing Required When Adding More Modules To Your Power Grid. Now In Black MSD Ignition
  • MSD Power Grid 4-Connector Hub Black Housing Required When Adding More Modules To Your Power Grid. Now In Black MSD Ignition
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    • MSD Power Grid 4-Connector CAN-Bus Hub - Black | 77403
    • MSD Power Grid 4-Connector CAN-Bus Hub - Black | 77403
    • MSD Power Grid 4-Connector CAN-Bus Hub - Black | 77403
    • MSD77403.jpg
    • MSD Power Grid 4-Connector Hub Black Housing Required When Adding More Modules To Your Power Grid. Now In Black MSD Ignition
    • MSD Power Grid 4-Connector Hub Black Housing Required When Adding More Modules To Your Power Grid. Now In Black MSD Ignition
    • MSD Power Grid 4-Connector Hub Black Housing Required When Adding More Modules To Your Power Grid. Now In Black MSD Ignition
    • MSD Power Grid 4-Connector Hub Black Housing Required When Adding More Modules To Your Power Grid. Now In Black MSD Ignition
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    • 77403_04.jpg
    • 77403_01.jpg
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    Sale!

    MSD Power Grid 4-Connector CAN-Bus Hub - Black | 77403

    Vendor: MSD
    Part Number: 77403
    Save $20
    $155.95 $175.95

    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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    Product DetailsFAQReviewsRelated Products

    This black-housing CAN-Bus hub lets racers expand the MSD Power Grid Ignition System with up to four accessory modules, keeping wiring simple as more control modules are added.

    Specifications:

    • Part Type: Vehicle Control Module
    • Product Type: Power Grid Controller
    • Sub Category: Control Modules
    • Part Number: 77403

    Required when adding accessory modules to a Power Grid Controller, PN 7730 or 77303.

    FAQ

    What does the black Power Grid 4-Connector Hub (PN 77403) do?

    It expands the MSD Power Grid Ignition System, allowing up to four accessory modules to be connected via the CAN-Bus.

    Is this the same as PN 7740?

    Yes, it's the same 4-connector hub in black housing to match a black Power Grid Controller.

    Is this hub required for every Power Grid setup?

    It's required any time you want to add accessory modules beyond the base Power Grid Controller.

    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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