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Holley EFI Dominator EFI Auxiliary Harness 558-401

Holley EFI Dominator EFI Auxiliary Harness 558-401
$326.99 ea
NEWARRIVING SOONEstimated Ship Date 03/15/2024 (If Ordered Today)33 Available from HOLLEY PERFORMANCE PRODUCTS as of 02/22/2024
Model: 4007821
STANDARD
DELIVERY
Used when adding a second wide band oxygen sensor to a Dominator EFI installation.
Features:
  • J2A Connector
  • #2 Wide band oxygen sensor harness (Fully Terminated)
  • 23 user programmable input wires with pre-crimped ECU pins

About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Downloads:

Download Name File Size
efi_selection_chart.pdf273.1KB

Videos:

Specifications:

Emission Code 3
Harness Type Auxiliary
Part Type Ignition Harness
Product Type J2 Auxiliary Input/ Output Harness - Connector

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Holley EFI Dominator EFI Auxiliary Harness 558-401:
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