Ignitions and Electrical› Ignition Boxes and Components

MSD

MSD Power Grid 4-Connector Hub Black Housing Required When Adding More Modules To Your Power Grid. Now In Black MSD Ignition

$356.62

SKU: M00T 77403

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The MSD 77403 is a 4-connector CAN-Bus hub designed to expand the MSD Power Grid system. It utilizes CAN-Bus technology to connect additional MSD modules to the system. The hub features a black housing.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMSD
Part NumberM00T 77403

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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