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Holley Main Power Harnesses 558-308 Fuel Injection System Wiring Harness, EFI, Power, Universal, Speed Density/Throttle, 13 ft. Long, for Avenger, HP, Dominator EFI, Kit

Holley Main Power Harnesses 558-308 Fuel Injection System Wiring Harness, EFI, Power, Universal, Speed Density/Throttle, 13 ft. Long, for Avenger, HP, Dominator EFI, Kit

A$343.60
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 main power ignition harnesses are designed for use with your Holly EFI systems. These wiring harnesses work with other Holley components to correctly configure your EFI system.

Part Type

EFI Main Power Harness

Data: v4.2 - Upd: 2026-10-15 22:06:53

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
558-308
Product Attributes - Part Type
Fuel Injection System Wiring Harnesses
Product Attributes - Product Line
Holley Main Power Harnesses
Product Attributes - UPC
090127666791
Product Attributes - Fuel Injection Style
Multi-port
Product Attributes - Metering Style
Speed density (Map-N) or speed throttle (Alpha-N)
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
For use with Holley HP or Dominator EFI systems. Harness measures 13 ft. long. 2 ring terminals and shrink tube are included.

Reference Information

Brand Name/s Holley
StreetFX SKU hly558-308
SFX Item ID 4782692
Supplier Item Code 4782692
Manufacturer SKU 558-308
Manufacturer UPC 90127666791
Alternative References HOL558-308

Compatibility

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