{"product_id":"holley-hp-efi-ecu-and-harness-kits-550-602n","title":"Holley HP EFI ECU and Harness Kits 550-602N","description":"\u003cp\u003eHP ECU AND HARNESS, LS1\/6, NTK\u003c\/p\u003e\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! Stop re–flashing your factory ECU every time you make a performance modification. Get Holley EFI today!\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"productpage_list\"\u003e\n\u003cli\u003eSimple Installation - Plug and Play control of GM LS1\/LS6 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\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\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\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\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\n\u003cli\u003eKit includes ECU, harness, communication cable, software and and NTK wideband 02 sensor designed to be used with GM LS1\/LS6 engines with factory GM coils and a 24 tooth crank sensor\u003c\/li\u003e\n\u003cli\u003eThe NTK Oxygen Sensor is recommended when using leaded or methanol fuels, high exhaust temperatures and forced induction applications or for highest precision feedback\u003c\/li\u003e\n\u003cli\u003eECU is fully potted and can be mounted in the engine compartment or interior\u003c\/li\u003e\n\u003cli\u003eSealed automotive and marine grade connectors\u003c\/li\u003e\n\u003cli\u003e1-5 Bar MAP sensor capability\u003c\/li\u003e\n\u003cli\u003eOptional plug and play hand-held programmer, 5.7\" touchscreen and digital gauges are available for ultimate control and vehicle monitoring\u003c\/li\u003e\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\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\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"productpage_list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal\u003c\/strong\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable cellspacing=\"0\" class=\"attributes-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eHolley EFI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eCrank Reluctor\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e24x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eEmission Code\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eIgnition Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGM LS 24x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eInjector Connector\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eJetronic \/ Minitimer (Bosch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eHP EFI Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003ePart Number\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e550-602N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cstyle\u003e\u003c\/style\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":32327992475697,"sku":"550-602N","price":2969.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/holley-hp-efi-ecu-and-harness-kits-550-602n-modern-day-muffler-1.jpg?v=1738927330","url":"https:\/\/moderndaymuffler.com\/products\/holley-hp-efi-ecu-and-harness-kits-550-602n","provider":"Modern Day Muffler","version":"1.0","type":"link"}