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Holley Terminator X Wideband Adapter Harnesses 558-463 Wiring Harnesses. EFI, Replacement, O2 Harness, EFI Systems, Pre-Terminated, Plug-and-Play, Each

Holley Terminator X Wideband Adapter Harnesses 558-463 Wiring Harnesses. EFI, Replacement, O2 Harness, EFI Systems, Pre-Terminated, Plug-and-Play, Each

A$215.03
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

Holley Terminator X wideband adapter harnesses are intended to be used as service components for your Terminator X EFI installation. The Terminator X ECU (electronic control unit) features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, or progressive nitrous control. The Terminator X Max ECU features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, electronic transmission control, drive-by-wire throttle body control, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. This is the wideband adapter harness only.

Part Type

Adapter Harness Wideband Terminator-X

Data: v4.2 - Upd: 2026-10-16 06:01:46

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
558-463
Product Attributes - Part Type
Engine Management System Components
Product Attributes - Product Line
Holley Terminator X Wideband Adapter Harnesses
Product Attributes - UPC
090127106679
Product Attributes - Engine Management System Component Type
Wideband adapter harness
Product Attributes - Quantity
Sold individually.
Product Attributes - Special Attention
Service harness sensor adapter for Terminator X and X Max ECU only. Do not use with HP, Dominator or Sniper EFI systems. Can cause wideband sensor and driver failure.

Reference Information

Brand Name/s Holley
StreetFX SKU hly558-463
SFX Item ID 4784359
Supplier Item Code 4784359
Manufacturer SKU 558-463
Manufacturer UPC 90127106679
Alternative References HOL558-463

Compatibility

Application Data
  • UniversalYes

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