558-403 Dominator EFI Connector J3 Auxiliary Harness

Name: 558-403 Dominator EFI Connector J3 Auxiliary Harness
Brand: HOLLEY
SKU: 510-558-403
Price: 186.95 USD
Availability: InStock

^$186⁹⁵

1 left in stock

Ships on Sep 08, 2026

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Auxiliary Harness

Dominator EFI Connector J3 Auxiliary Harness
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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Part TypeIgnition Wire Harness

BrandHOLLEY

Package Height2.4

Package Width10.9

Package Length11.0

Weight1.44 PG

Part CategoryPerformance Parts

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

QuantitySold as a kit

Injection StyleSequential multi-port

Part FitmentSemi Universal

Vendor Part Number558-403

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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