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Holley EFI

LS COIL HARNESSES

Factory replacement coil harness for stock LS coils, does not fit LS1 or LS6 Coils.

Part # 558-321 Be the first to write a review
In Stock
Your Price
$149.95
Suggested Retail
$167.00
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Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new Holley EFI LS Coil Sub Harness. This coil sub harness is intended to be used with factory LS coils and various Holley EFI main harnesses with Coil-on-plug connectors. The Holley EFI LS coil sub harnesses 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.

Features:

  • 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 & Play fitment
  • Can be used to replace a damaged factory coil harness
  • Fits Truck Coils, and 2005+ LS Car engines.

About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

BrandHolley EFI
Emission Code4
Harness ApplicationGM
LSX
Universal
Harness TypeIgnition
Product TypeLS Coil Harness
UPC090127030745
Part Number558-321
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

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