{"product_id":"holley-efi-558-121-terminator-stealth-series-main-harness","title":"Holley EFI 558-121 - Terminator® Stealth Series Main Harness","description":"\u003cp\u003eHolley EFI 558-121 - Terminator® Stealth Series Main Harness\u003c\/p\u003e\u003cp\u003eTerminator® Stealth Series Main Harness; 2x4; EFI Upgrade; Plug and Play;\u003c\/p\u003e\u003cp\u003eIntroducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle body, install a new main harness, and slave throttle body, and you are finished. This upgrade is also perfect for anyone wanting to convert their 2x4 supercharged combo over to Electronic Fuel Injection!\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2x4 Side Mount\u003c\/li\u003e\n\u003cli\u003eProvides The Great Looks Of A Classic Holley 4150 Carb\u003c\/li\u003e\n\u003cli\u003eMultiple Color Options Allows For Any EFI System To Be Upgraded\u003c\/li\u003e\n\u003cli\u003ePlug and Play Main Harness Provides A Clean Finished Appearance\u003c\/li\u003e\n\u003cli\u003eAllows For Quick Install\u003c\/li\u003e\n\u003cli\u003eLaptop Tuning Is Required With This Upgrade\u003c\/li\u003e\n\u003cli\u003eWe Recommend Taking To Certified Holley EFI Tuner\/Installer\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\u003eAir and Fuel Delivery\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e3\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 Type\u003c\/strong\u003e: \u003cspan\u003eMain\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eElectronic Throttle Harness\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eTerminator Stealth 2x4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eBody Wiring Harness and Components\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":47327527600266,"sku":"HOLEFI-558-121","price":547.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_558-121_011922_normalized.jpg?v=1776462822","url":"https:\/\/www.onlyinstock.com\/products\/holley-efi-558-121-terminator-stealth-series-main-harness","provider":"Only In Stock","version":"1.0","type":"link"}