Air and Fuel› Intake Manifolds and Components
Holley
Holley EFI DIGITAL DASH SERVICE HARNESS - 558-444
SKU: H00E 558-444
Beginner — under 30 min
Description
Part #: 558-444
Service replacement digital dash harness.
Features:
- CANBus Connector Wiring
- USB Connector Wiring
Digital Dash Service Harness
MIA's Description
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
| Brand | Holley |
| Part Number | H00E 558-444 |
| Weight | 0.3 lb |
Videos
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Holley main J connectors, pin and depin
My 1969 Camaro Gets a COMPLETELY CUSTOM Holley 12.3" DIGITAL Dash!
Holley EFI's New Analog Digital Display Gauges in our 1974 C10 Square Body
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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