Holley EFI LS Spark Plug Wire Set - Cut to Fit

Spark Plug - Cut to Fit- Wire set, Black with Black 135 degree boots designed for GM LS Engines (For OE Coil)

Spark Plug Boot Angle

PART# 561-110

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Holley EFI Universal "Cut-to-Fit" spark plug wire sets for GM Ls Engines come with the spark plug terminal and boot installed with the Coil end unterminated. Coil cap boots and terminals are included so you can cut the wire to the desired length, then install the terminal.


  • Includes both socket-style and spark plug-style boots and terminals
  • Extra-long (36") 8.2mm wire so you can cut to your desired length
  • Set Versions for OE Coil connectors and Holley Smart Coil
  • Holley EFI logo printed on plug wire
  • Sets available in Black, Red, and Grey wire sets


ApplicationGM LS
Boot MaterialSilicone
BrandHolley EFI
ColorBlack/Black Boots
EngineGM LS
Product TypeSpark Plug Wire Set
ResistanceMeets or Exceeds OE
Spark Plug Boot Angle135 Degree
Wire Diameter8.2mm
Wire SeriesHolley EFI Spark Plug Wires
Part Number561-110

In The Box

In The Box

  • (8) 36" long 8.2mm Spark plug leads
  • (8) Coil Connector Boots
  • (8) crimp connectors
  • (8) Coil-End isolators

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