{"product_id":"holley-550-604-hp-efi-engine-control-module-and-wiring-harness-mpfi-kit","title":"Holley 550-604 HP EFI Engine Control Module and Wiring Harness MPFI Kit","description":"\u003cp\u003eThe Holley 550-604 ECU \u0026amp; 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.\u003c\/p\u003e\n\u003cp\u003eWith 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.\u003c\/p\u003e\n\u003cp\u003eVerify application requirements and installation details before purchase to ensure this Holley kit matches the intended vehicle, engine, and fuel injection system.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: HOLLEY\u003c\/li\u003e\n\u003cli\u003ePart Number: 550-604\u003c\/li\u003e\n\u003cli\u003eProduct Type: Engine control module and wiring harness kit\u003c\/li\u003e\n\u003cli\u003eEFI System: HP EFI\u003c\/li\u003e\n\u003cli\u003eFuel Injection Type: Multi-port fuel injection\u003c\/li\u003e\n\u003cli\u003eEngine Configuration: V8\u003c\/li\u003e\n\u003cli\u003eKit Contents: ECU and harness\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HOLLEY","offers":[{"title":"Default Title","offer_id":68027886272764,"sku":"HLY550-604","price":2749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/8797\/5420\/files\/HLY550-604.jpg?v=1793210676","url":"https:\/\/ozkonickustomz.com\/products\/holley-550-604-hp-efi-engine-control-module-and-wiring-harness-mpfi-kit","provider":"Ozkonic Kustomz LLC","version":"1.0","type":"link"}