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Holley EFI Universal V8 MPFI EFI HARNESS KIT 558-504

Holley EFI Universal V8 MPFI EFI HARNESS KIT 558-504
Holley EFI Universal V8 MPFI EFI HARNESS KIT 558-504Holley EFI Universal V8 MPFI EFI HARNESS KIT 558-504
$1,086.99 ea
NEWBackordered until 03/14/2024
Model: 4007875
STANDARD
DELIVERY
An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!
Features:
  • Harness Kit Includes; Main Power Harness, Universal MPFI Main Harness, v-8 Injector Harness
  • Simple installation
  • Works with HP or Dominator ECU's
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit.
Installation Notes:
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit.

About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Downloads:

Download Name File Size
efi_selection_chart62914.pdf836.71KB
199r10837.pdf1.04MB

Videos:

Specifications:

Emission Code 4
Harness Application Universal, Ford, GM
Ignition Type CD Ignition (No Timing Control)
Injector Connector Jetronic / Minitimer (Bosch)
Part Type Fuel Injection Harness
Product Type Harness Kit

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Holley EFI Universal V8 MPFI EFI HARNESS KIT 558-504:
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