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{"id":4849765417038,"title":"Holley HP 550-607 ECU \u0026 Wiring Harness","handle":"hly550-607-hp-ecu","description":"\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eLooking for a plug and play kit for your GM LS2\/LS3\/LS7 engine? The Holley HP 550-607 ECU \u0026amp; Wiring Harness allows you to accurately control the fuel and ignition of your engine! Got a stock LS engine? Simply download a base map and you're on your way!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eGot a turbocharged, nitrous fed LS engine on water\/meth? This HP EFI kit can control that too! \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eHolley HP 550-607 ECU Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\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. You are now ready to take complete control of your LS engine!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eProvides significantly more functionality than OEM or other competitive ECUs. From boost control, nitrous control, and water\/meth injection, to a host of additional inputs and outputs to control fans, pumps as well as relays\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eAllows use of common OEM sensors as well as customer sensor calibration input \u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eEasy To Use! Laptop programmable ECU includes a variety of base maps to have you hitting the cruise or track in no time\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIdeal For Everything, from stock 5.3L engine swaps or 3,000+ HP race cars! Need a simple and powerful ECU and harness solution? This is it!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIndustry Leading Self Tuning Fuel Strategy - means less time tuning and more time enjoying the power of your LS vehicle\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eKit includes ECU, harness, communication cable, software and Bosch wideband 02 sensor. Designed for use with GM LS2\/LS3\/LS7 engines with factory GM coils and a 58 tooth crank sensor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFully potted to mount either in the engine compartment or interior\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eSealed automotive and marine grade connectors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e1-5 Bar MAP sensor capability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eOptional plug and play hand-held programmer, 5.7\" touchscreen and digital gauges are available for both ultimate control and vehicle monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eECU is certified to ISO 8846, SAE J1171 \u0026amp; United States Coast Guard Requirements for both Ignition Protection and Fire Resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2020-10-08T14:35:33-05:00","created_at":"2020-10-08T14:35:34-05:00","vendor":"HOLLEY","type":"Engine Management Systems","tags":["ECU","Holley","LS2","LS3","LS7"],"price":260895,"price_min":260895,"price_max":260895,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":32666262798414,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HLY550-607","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Holley HP 550-607 ECU \u0026 Wiring Harness","public_title":null,"options":["Default Title"],"price":260895,"weight":4086,"compare_at_price":null,"inventory_management":"shopify","barcode":"090127687505","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/products\/HLY550-607.jpg?v=1602185734"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HLY550-607.jpg?v=1602185734","options":["Title"],"media":[{"alt":"HLY550-607","id":8025265995854,"position":1,"preview_image":{"aspect_ratio":1.362,"height":734,"width":1000,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HLY550-607.jpg?v=1602185734"},"aspect_ratio":1.362,"height":734,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HLY550-607.jpg?v=1602185734","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eLooking for a plug and play kit for your GM LS2\/LS3\/LS7 engine? The Holley HP 550-607 ECU \u0026amp; Wiring Harness allows you to accurately control the fuel and ignition of your engine! Got a stock LS engine? Simply download a base map and you're on your way!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eGot a turbocharged, nitrous fed LS engine on water\/meth? This HP EFI kit can control that too! \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eHolley HP 550-607 ECU Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\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. You are now ready to take complete control of your LS engine!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eProvides significantly more functionality than OEM or other competitive ECUs. From boost control, nitrous control, and water\/meth injection, to a host of additional inputs and outputs to control fans, pumps as well as relays\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eAllows use of common OEM sensors as well as customer sensor calibration input \u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eEasy To Use! Laptop programmable ECU includes a variety of base maps to have you hitting the cruise or track in no time\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIdeal For Everything, from stock 5.3L engine swaps or 3,000+ HP race cars! Need a simple and powerful ECU and harness solution? This is it!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eIndustry Leading Self Tuning Fuel Strategy - means less time tuning and more time enjoying the power of your LS vehicle\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eKit includes ECU, harness, communication cable, software and Bosch wideband 02 sensor. Designed for use with GM LS2\/LS3\/LS7 engines with factory GM coils and a 58 tooth crank sensor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFully potted to mount either in the engine compartment or interior\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eSealed automotive and marine grade connectors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e1-5 Bar MAP sensor capability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eOptional plug and play hand-held programmer, 5.7\" touchscreen and digital gauges are available for both ultimate control and vehicle monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eECU is certified to ISO 8846, SAE J1171 \u0026amp; United States Coast Guard Requirements for both Ignition Protection and Fire Resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e"}

Holley HP 550-607 ECU & Wiring Harness

Product Description
$2,608.95
Maximum quantity available reached.

Looking for a plug and play kit for your GM LS2/LS3/LS7 engine? The Holley HP 550-607 ECU & Wiring Harness allows you to accurately control the fuel and ignition of your engine! 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! 

Holley HP 550-607 ECU Features:

  • Simple Installation - Plug and Play control of GM LS2/LS3/LS7 engines. Just plug the harness into your factory sensors, wire the power and grounds. You are now ready to take complete control of your LS engine!
  • Provides significantly more functionality than OEM or other competitive ECUs. From boost control, nitrous control, and water/meth injection, to a host of additional inputs and outputs to control fans, pumps as well as relays
  • Allows use of common OEM sensors as well as customer sensor calibration input 
  • Easy To Use! Laptop programmable ECU includes a variety of base maps to have you hitting the cruise or track in no time
  • Ideal For Everything, from stock 5.3L engine swaps or 3,000+ HP race cars! Need a simple and powerful ECU and harness solution? This is it!
  • Industry Leading Self Tuning Fuel Strategy - means less time tuning and more time enjoying the power of your LS vehicle
  • Kit includes ECU, harness, communication cable, software and Bosch wideband 02 sensor. Designed for use with GM LS2/LS3/LS7 engines with factory GM coils and a 58 tooth crank sensor
  • Fully potted to mount either in the engine compartment or interior
  • Sealed automotive and marine grade connectors
  • 1-5 Bar MAP sensor capability
  • Optional plug and play hand-held programmer, 5.7" touchscreen and digital gauges are available for both ultimate control and vehicle monitoring
  • ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for both Ignition Protection and Fire Resistance
Sku: HLY550-607
Vendor: HOLLEY