{"product_id":"holley-efi-558-128-efi-engine-main-harness","title":"Holley EFI 558-128 - EFI Engine Main Harness","description":"\u003cp\u003eHolley EFI 558-128 - EFI Engine Main Harness\u003c\/p\u003e\u003cp\u003eHolley EFI Ford Foxbody Main Harness\u003c\/p\u003e\u003cp\u003eHolley EFI Engine Main Harness; For Use w\/5.0 Small Block Ford Engines;\u003c\/p\u003e\u003cp\u003eThis harness is for fuel injected small block ford engines, such as 5.0L, or 5.8L Windsor powerplants. Plug and play ignition capability with Dual Sync and HyperSpark Distributors, ignition adapter 558-305 is required for applications with a TFI distributor. The 5.0L Ford main harness is pre-terminated with Ford PWM IAC connector, for the OEM PWM - idle air control motor commonly found on late 80s and early 90s engines. Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECUs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for use with fuel injected small block ford engines\u003c\/li\u003e\n\u003cli\u003ePlug and play ignition capability with Dual Sync and HyperSpark distributors\u003c\/li\u003e\n\u003cli\u003eCompatible with Holley EFI Dominator, HP, and Terminator X and X Max ECU’s\u003c\/li\u003e\n\u003cli\u003eComes pre-terminated with Ford PWM IAC connector for OEM PWM - idle air control motors\u003c\/li\u003e\n\u003cli\u003eFor OEM Ford fuel injectors, use injector harness 558-209\u003c\/li\u003e\n\u003cli\u003eFor TFI distributor applications, use ignition adapter 558-305\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eHolley EFI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eEngine\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHarness Application\u003c\/strong\u003e: \u003cspan\u003eFord\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHarness Type\u003c\/strong\u003e: \u003cspan\u003eMain\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eEngine Wiring Harness\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003e5.0L Ford Main Harness\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eWire, Cable and Related Components\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTerminal Type\u003c\/strong\u003e: \u003cspan\u003ePin\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":47327533269130,"sku":"HOLEFI-558-128","price":615.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_558-128_01_normalized.jpg?v=1776741464","url":"https:\/\/www.onlyinstock.com\/products\/holley-efi-558-128-efi-engine-main-harness","provider":"Only In Stock","version":"1.0","type":"link"}