Auxiliary Ignition Harness for Holley Dominator EFI

Name: Auxiliary Ignition Harness for Holley Dominator EFI
Brand: HOLLEY
SKU: 510-558-401
Price: 242.95 USD
Availability: InStock

^$242⁹⁵

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Ships on Sep 08, 2026

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Auxiliary Harness

Dominator EFI Auxiliary Ignition Harness

Holley Dominator EFI Systems

Adds Ignition Input and Output Connections

Direct Replacement Harness

This auxiliary harness adds ignition input and output connections to a Holley Dominator EFI system as a direct replacement harness.

Part TypeIgnition Wire Harness

BrandHOLLEY

Package Height2.2

Package Width10.5

Package Length10.8

Weight2.41 PG

Metering StyleSpeed density (Map-N) and speed throttle (Alpha-N)

Part CategoryPerformance Parts

QuantitySold as a kit

Injection StyleSequential multi-port

Part FitmentSemi Universal

Vendor Part Number558-401

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

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