MSD 77403 Vehicle Control Module

4-Connector CAN-Bus Hub; Power Grid 4-Connector Hub; Black
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This hub will allow users of the Power Grid System Controller to connect other MSD modules to the system for added features. The hub uses CAN-Bus technology that can be stacked so that racers will never run out of spot to plug in modules. Each hub has 4 plug in points with a single output so that one hub can be plugged into another. To add modules to the system, builders simply plug in the 4-Connector CAN-Bus Hub to the System Controller and then plug the modules into the Hub. The CAN-Bus Hub is required to plug in any modules.



  • 4-Connector CAN-Bus Hub; Power Grid 4-Connector Hub; Black;
  • Uses CAN-Bus Technology
  • Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
  • Black In Color
  • Connect Other MSD Modules To Power Grid Syst.
  • 4-Connector CAN-Bus Hub
  • BLK CAN-Bus Hub; 4-Conn; Power Grid


WARNING CA Proposition 65Yes
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