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Holley EFI 558-504 Fuel Injection Harness

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US$539.97 cheaper than the new price!!

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Product details

Management number 254510039 Release Date 2026/11/07 List Price US$359.98 Model Number 254510039
Category

Universal V8 MPFI;<br><br>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. Holley's Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!;

  • Harness Kit Includes; Main Power Harness, Universal MPFI Main Harness, v-8 Injector Harness
  • Simple installation
  • Works with HP or Dominator ECU's
Fuel injection accessory & part type Fuel Injection Harness
Brand Holley EFI
Automotive parts division Performance
Vehicle fitment type Specific
Items included Main Power Harness, Universal MPFI Main Harness, v-8 Injector Harness
Accessories Main Power Harness, Universal MPFI Main Harness, v-8 Injector Harness
Features Universal
Model 558-504
Weight 5.55 lb
Has written warranty No
Vehicle type Car
Multipack quantity 1

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