• Holley 550-604 HP EFI Engine Control Module and Wiring Harness MPFI Kit
  • Holley 550-604 HP EFI Engine Control Module and Wiring Harness MPFI Kit

Holley 550-604 HP EFI Engine Control Module and Wiring Harness MPFI Kit

$2,749.95 USD
$2,749.95 USD
$2,749.95 USD
Shipping calculated at checkout.

Vendor : HOLLEY

Product Type : Ignitions and Electrical

Sku : HLY550-604

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The Holley 550-604 ECU & Harness MPFI Kit combines an engine control module with a wiring harness for V8 multi-port fuel injection applications. Designed as part of the Holley HP EFI product line, this kit provides the core ECU and harness components identified for an MPFI setup.

With its engine control module and dedicated wiring harness, the kit is suited to projects requiring electronic control for a V8 multi-port fuel injection system. The integrated component configuration supports a streamlined approach to organizing the primary control and wiring elements of the installation.

Verify application requirements and installation details before purchase to ensure this Holley kit matches the intended vehicle, engine, and fuel injection system.

Features:

  • Brand: HOLLEY
  • Part Number: 550-604
  • Product Type: Engine control module and wiring harness kit
  • EFI System: HP EFI
  • Fuel Injection Type: Multi-port fuel injection
  • Engine Configuration: V8
  • Kit Contents: ECU and harness