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Holley 558-504 Univ. V8 EFI Harness

Holley HP and DOMINATOR Harnesses

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Holley 558-504 Univ. V8 EFI Harness

holley 558-504  universal v8 EFI HARNESS KIT

Universal V8 MPFI

PART# 558-504

  • 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.

Part #: 961

Price: $529.95
Sale Price: $458.95

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