Holley Performance | Wiring Harnesses

Engine specific harnesses for many applications including LS and Gen III HEMI engines
Holley EFI Systems Universal V8 Wiring Harness-SDHQ
Holley EFI Systems Universal V8 Wiring Harness
  • PRICE: $525.95

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Holley Can Adapter Female 2 Pin to Male 4 Pin-SDHQ
Holley Can Adapter Female 2 Pin to Male 4 Pin
  • PRICE: $21.16

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Holley EFI Systems USB Cables-SDHQ
Holley EFI Systems USB Cables
  • PRICE: $77.86

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Holley EFI Digital Dash Wiring Harness-SDHQ
Holley EFI Digital Dash Wiring Harness
  • PRICE: $144.95

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Holley EFI Systems Wiring Harness
Holley EFI Systems Wiring Harness
  • PRICE: $63.71

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Holley Fuel Injection System Wiring Harness-SDHQ
Holley Fuel Injection System Wiring Harness
  • PRICE: $22.75

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Holley Universal Ignition Harness-SDHQ
Holley Universal Ignition Harness
  • PRICE: $66.59

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Holley J1A/B Dominator Aux Wiring Harness
Holley J1A/B Dominator Aux Wiring Harness
  • PRICE: $77.13

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Holley LS Coil Harness-SDHQ
Holley LS Coil Harness
  • PRICE: $133.03

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Holley HP EFI Smart Coil Sub Harness-SDHQ
Holley HP EFI Smart Coil Sub Harness
  • PRICE: $169.95

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