{"product_id":"holley-hp-efi-ecu-and-harness-kits-550-603","title":"Holley HP EFI ECU and Harness Kits 550-603","description":"\u003cstyle type=\"text\/css\"\u003e\u003c!--\ntd {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}\n--\u003e\u003c\/style\u003e\r\n\u003cdiv class=\"full_description\"\u003e\u003cspan data-sheets-value=\"{\" ecu and harness ls2 ls7 data-sheets-userformat=\"{\"\u003eHP ECU AND HARNESS LS2 \u0026amp; LS7\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\r\n\u003cdiv class=\"full_description\"\u003e\u003c\/div\u003e\r\n\u003cdiv class=\"full_description\"\u003eLooking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more. Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water\/meth? This HP EFI kit can control that too!\u003cbr\u003e\u003cbr\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul class=\"productpage_list\"\u003e\r\n\u003cli\u003eSimple Installation - Plug and Play control of GM LS2\/LS3\/LS7 engines. Just plug the harness into your factory sensors, wire the power and grounds and you are ready to take complete control of your LS engine\u003c\/li\u003e\r\n\u003cli\u003eMore Functionality - Provides significantly more functionality than OEM or other competitive ECUs (boost control, nitrous control, water\/meth injection, plus a host of additional inputs and outputs to control fans, pumps, relays etc.)\u003c\/li\u003e\r\n\u003cli\u003eEasy To Use - Laptop programmable ECU includes a variety of base maps that will have you hitting the cruise or track in no time\u003c\/li\u003e\r\n\u003cli\u003eIdeal For Everything - including stock 5.3L engine swaps or all out, 3,000+ horsepower race cars that need a simple and powerful ECU and harness solution\u003c\/li\u003e\r\n\u003cli\u003eIndustry Leading Self Tuning Fuel Strategy - means less time tuning and more time enjoying the power of your LS vehicle\u003c\/li\u003e\r\n\u003cli\u003eKit includes ECU, harness, communication cable, software, USCAR (EV6 Style) injector connectors, and Bosch wideband O2 sensor, designed to be used with GM LS2\/LS3\/LS7 engines with factory GM coils and a 58 tooth crank sensor\u003c\/li\u003e\r\n\u003cli\u003eECU is fully potted and can be mounted in the engine compartment or interior\u003c\/li\u003e\r\n\u003cli\u003eSealed automotive and marine grade connectors\u003c\/li\u003e\r\n\u003cli\u003e1-5 Bar MAP sensor capability\u003c\/li\u003e\r\n\u003cli\u003eOptional plug and play hand-held programmer, 5.7\" touch screen and digital gauges are available for ultimate control and vehicle monitoring\u003c\/li\u003e\r\n\u003cli\u003eECU is certified to ISO 8846, SAE J1171 \u0026amp; United States Coast Guard Requirements for Ignition Protection \u0026amp; Fire Resistance\u003c\/li\u003e\r\n\u003cli\u003eFor a full list of advanced features such as boost, nitrous, water\/meth, individual cylinder control and more click the document icon under the product image! \u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul class=\"productpage_list\"\u003e\r\n\u003cli\u003e\u003cstrong\u003eUniversal\u003c\/strong\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ctable class=\"attributes-table\" cellspacing=\"0\"\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003cth class=\"label\"\u003eBrand\u003c\/th\u003e\r\n\u003ctd class=\"data\" itemprop=\"brand\"\u003eHolley EFI\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003cth class=\"label\"\u003eCrank Reluctor\u003c\/th\u003e\r\n\u003ctd class=\"data\"\u003e58x\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003cth class=\"label\"\u003eEmission Code\u003c\/th\u003e\r\n\u003ctd class=\"data\"\u003e4\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003cth class=\"label\"\u003eIgnition Type\u003c\/th\u003e\r\n\u003ctd class=\"data\"\u003eGM LS 58x\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003cth class=\"label\"\u003eInjector Connector\u003c\/th\u003e\r\n\u003ctd class=\"data\"\u003eUSCAR (EV6)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003cth class=\"label\"\u003eProduct Type\u003c\/th\u003e\r\n\u003ctd class=\"data\"\u003eHP EFI Kit\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003cth class=\"label\"\u003ePart Number\u003c\/th\u003e\r\n\u003ctd class=\"data\"\u003e550-603\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003cstyle\u003e\u003c\/style\u003e\r\n\u003cstyle\u003e\u003c\/style\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":32335517548593,"sku":"550-603","price":2719.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/holley-hp-efi-ecu-and-harness-kits-550-603-modern-day-muffler-1.jpg?v=1738927330","url":"https:\/\/moderndaymuffler.com\/products\/holley-hp-efi-ecu-and-harness-kits-550-603","provider":"Modern Day Muffler","version":"1.0","type":"link"}