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Holley EFI

LS COIL HARNESSES

Part # 558-321 Be the first to write a review

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

LS COIL HARNESSES

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Free Shipping - Lower 48 US States
Advertised Price $199.95
$179.95
Save $20.00
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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

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

Brand Holley EFI
CategoryIgnition
Connector ColorGray
Emission Code2
Grade TypePerformance
Harness ApplicationGM, LSX, Universal
Harness TypeIgnition
Part TypeIgnition Coil Assembly Wiring Harness
Product TypeLS Coil Harness
Sub CategoryIgnition Wire and Related Components
UPC090127030745
Part Number558-321
2

This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Holley EFI Dealers
Do you need a custom kit built for your application? Do you need a system installed and tuned? Click here to find the Holley EFI dealer in your area!
Holley EFI Support Forums
Instructions - 199r11436.pdf
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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.

    LS COIL HARNESSES
    LS COIL HARNESSES
    Advertised Price $199.95
    $179.95
    Save $20.00