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Holley EFI Pro Dash Input/Output Harnesses 558-456 Fuel Injection System Wiring Harnesses, EFI, Pro-Dash, Input/Output, Unterminated, 2 and 3 Conductor Cable, 10 ft. Long, Pins, Plugs, Each

Holley EFI Pro Dash Input/Output Harnesses 558-456 Fuel Injection System Wiring Harnesses, EFI, Pro-Dash, Input/Output, Unterminated, 2 and 3 Conductor Cable, 10 ft. Long, Pins, Plugs, Each

A$699.49
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

Holley Pro Dash input/output wiring harnesses are intended to fully populate all of the inputs and outputs for Holley Pro Dashes. The wire is 20-gauge TXL with TE Superseal pins crimped on every wire and cable, and can easily be inserted into the existing 34-pin dash connectors. Holley Pro Dash wiring harnesses contain loose wires, 2 and 3 jacketed conductor cables, and extra pins that can be used (likely needed when using the jacketed cable for more than one sensor). You can choose to match the color and functions given in the instructions for consistent installations.

Content specifics:

* 17 loose wires, each 10 ft. in length, various colors with crimped tyco pins
* 2-conductor cable, black/blue, 20 ft.
* 3-conductor cable, orange/green/black, 40 ft.
* Superseal pins and plugs, 20 of each

Part Type

Pro-Dash Harness Un-terminated IO

Data: v4.2 - Upd: 2026-10-13 18:47:42

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
558-456
Product Attributes - Part Type
Fuel Injection System Wiring Harnesses
Product Attributes - Product Line
Holley EFI Pro Dash Input/Output Harnesses
Product Attributes - UPC
090127101780
Product Attributes - Fuel Injection Style
Multi-port
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Holley
StreetFX SKU hly558-456
SFX Item ID 4782941
Supplier Item Code 4782941
Manufacturer SKU 558-456
Manufacturer UPC 90127101780
Alternative References HOL558-456

Compatibility

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