Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Holley LS Coil Harnesses 558-321 Ignition Wiring Harnesses, EFI, Replacement, Harness, Plug-and-Play, OE Connectors, Not for LS1/LS6, Chevy, Engine, Pair

Holley LS Coil Harnesses 558-321 Ignition Wiring Harnesses, EFI, Replacement, Harness, Plug-and-Play, OE Connectors, Not for LS1/LS6, Chevy, Engine, Pair

A$485.44
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.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Holley LS coil harnesses are factory replacements for stock LS coils. These EFI LS coil sub harnesses are intended to be used with factory LS coils and various Holley EFI main harnesses with coil-on-plug connectors. They are built with the same high-quality connectors and wire loom found on all Holley EFI harnesses, guaranteeing a perfect match in your engine bay. Are you tired of scouring the junkyard for stock LS coil sub harnesses? Holley has the solution.

Holley LS coil harnesses feature:

* OEM connectors provide a secure connection between your ECU and Ignition Coils
* Techflex F6 braided wire loom keeps your engine bay looking clean, while providing abrasion resistance
* Plug-and-play fitment
* Can be used to replace a damaged factory coil harness

Part Type

GM LS Coil Sub Harnesses

Data: v4.2 - Upd: 2026-10-28 20:36:17

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
558-321
Product Attributes - Part Type
Ignition Coil Wiring Harnesses
Product Attributes - Product Line
Holley LS Coil Harnesses
Product Attributes - UPC
090127030745
Product Attributes - Quantity
Sold as a pair.
Product Attributes - Notes
For use with the Holley Smart Coils 556-112.

Reference Information

Brand Name/s Holley
StreetFX SKU hly558-321
SFX Item ID 4783852
Supplier Item Code 4783852
Manufacturer SKU 558-321
Manufacturer UPC 90127030745
Alternative References HOL558-321, LS1/LS6

Compatibility

Loading compatibility information...