{"product_id":"holley-efi-hp-efi-ecu-gm-ls2-ls3-ls7-58x-and-wiring-harness-kit-hly-550-603","title":"HOLLEY EFI HP EFI ECU GM LS2\/LS3\/LS7 58x AND WIRING HARNESS KIT","description":"\u003ch2\u003eHOLLEY EFI HP EFI ECU GM LS2\/LS3\/LS7 58x AND WIRING HARNESS KIT Product Description:\u003c\/h2\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHLY-550-603\u003c\/span\u003e\u003c\/p\u003e\n\u003cp 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.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul class=\"productpage_list\"\u003e\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\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, 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\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\" touch screen 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\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote: Designed for use with GM LS2\/LS3 and LS7 engines with 58x crank sensor, re-use factory GM ignition coil harnesses.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eHolley Performance Products, Inc. products are warranted to be free from defects in material and workmanship for a period of 90 days from the date of purchase, except Avenger series carburetors, which carry a lifetime warranty on parts and a one-year warranty on labor. Any Holley deep cell battery also carries a one-year warranty. For select carburetors and superchargers, there will be a core charge. If the part qualifies, there will be a letter and a call tag included in the box from Holley.\u003c\/p\u003e\n\u003cp\u003eThe part must be returned to Holly, and if it is in acceptable condition, Holly will issue credit directly to the customer. In addition, Holley Performance Products, Inc.'s limited warranty specifically does not apply to products which have been modified or altered in any way, subjected to adverse conditions such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion or faulty repair, or used in applications other than those recommended by Holley Performance Products, Inc.\u003c\/p\u003e\n\u003cp\u003eThis warranty does not warrant and disclaims all liability for products used in racing activities and\/or applications, other than those specifically recommended by Holley Performance Products, Inc.\u003c\/p\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43730174574689,"sku":"HLY-550-603","price":2719.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/5157\/5137\/files\/zHLY-550-603-550-603-copy_c0369c7e-23ef-478f-ba72-505ebc5aab3a.jpg?v=1774023119","url":"https:\/\/www.coreperformanceinc.com\/products\/holley-efi-hp-efi-ecu-gm-ls2-ls3-ls7-58x-and-wiring-harness-kit-hly-550-603","provider":"Core Performance Inc","version":"1.0","type":"link"}