{"product_id":"holley-efi-550-601-hp-efi-ecu-and-harness-kit","title":"Holley EFI 550-601 - HP EFI ECU And Harness Kit","description":"\u003cp\u003eHolley EFI 550-601 - HP EFI ECU And Harness Kit\u003c\/p\u003e\u003cp\u003eHP EFI ECU And Harness Kit; GM TPI And Holley Stealth Ram; Incl. ECU\/Harness; Incl. Bosch Oxygen Sensor;\u003c\/p\u003e\u003cp\u003eLooking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost, or water meth.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLean or rich safety cutoff\u003c\/li\u003e\n\u003cli\u003eFEATURES\u003c\/li\u003e\n\u003cli\u003e“Quick Start” ignition and fueling strategy for LS x Engines\u003c\/li\u003e\n\u003cli\u003eIntegrated Water\/Methanol injection control\u003c\/li\u003e\n\u003cli\u003eControls both stepper and PWM Idle Air Control (IAC) motors\u003c\/li\u003e\n\u003cli\u003e4 Programmable high or low Pulse Width Modulated (PWM) outputs and 4 fully configurable inputs can be configured for use\u003c\/li\u003e\n\u003cli\u003eWorks with 4, 6, 8 cylinder engines\u003c\/li\u003e\n\u003cli\u003eFully Configurable lap top Gauge Panel\u003c\/li\u003e\n\u003cli\u003e4 Stage progressive nitrous control\u003c\/li\u003e\n\u003cli\u003eTwo channel knock control sensor Inputs for both one or two wire knock sensors\u003c\/li\u003e\n\u003cli\u003e4 Stage nitrous oxide control\u003c\/li\u003e\n\u003cli\u003eFully featured nitrous control eliminates the need for a separate nitrous controller device\u003c\/li\u003e\n\u003cli\u003eIntegrated Boost Control - Boost vs Time, Boost vs Gear (Time or RPM),  Boost vs RPM, Boost vs Speed, Launch control.  Boost launch builder, Over-boost safeties, Boost scramble\u003c\/li\u003e\n\u003cli\u003eTurbo boost control\u003c\/li\u003e\n\u003cli\u003eSealed automotive and marine grade connectors\u003c\/li\u003e\n\u003cli\u003eConfigurable User Password Protection\u003c\/li\u003e\n\u003cli\u003eCustom settings can be configured to allow many other applications\u003c\/li\u003e\n\u003cli\u003eTraction Control - Power reduction via timing, nitrous percentage or boost (Requires Davis Technologies Holley Module)\u003c\/li\u003e\n\u003cli\u003eFull timing retard\/control configurability per stage based on RPM or time\u003c\/li\u003e\n\u003cli\u003eNEW V2 SOFTWARE FEATURES\u003c\/li\u003e\n\u003cli\u003e“Quick Start” fueling for all engines\u003c\/li\u003e\n\u003cli\u003eIndividual cylinder fuel and spark control allows you to unlock your engine’s potential\u003c\/li\u003e\n\u003cli\u003eUnique lb\/hr based fueling strategy greatly simplifies and commonizes tuning\u003c\/li\u003e\n\u003cli\u003eCan be configured “Wet” or “Dry” with closed loop feedback\u003c\/li\u003e\n\u003cli\u003eDedicated fuel and oil pressure inputs\u003c\/li\u003e\n\u003cli\u003eAdvanced idle, closed loop, and enrichment strategies allow for very stable operation\u003c\/li\u003e\n\u003cli\u003e1-5 Bar MAP sensor capability\u003c\/li\u003e\n\u003cli\u003eStrip Chart Real-Time Data Viewer\u003c\/li\u003e\n\u003cli\u003eFuel Map and Learn Function Smoothing\u003c\/li\u003e\n\u003cli\u003eInternal data-logging standard with a huge 2GB of memory\u003c\/li\u003e\n\u003cli\u003eEight sequentially driven 8:2 peak and hold injector drivers, capable of driving up to 16 low or high impedance injectors as a standard feature. Multiple staged injector strategies\u003c\/li\u003e\n\u003cli\u003eSpeed density, Alpha-N, or combination fueling strategies\u003c\/li\u003e\n\u003cli\u003eUses Holley Water\/Meth solenoids specially designed and calibrated for use with this EFI system to allow the user to enter Water\/Meth flow as a percentage of fuel injector flow for Water\/Meth tuning precision unmatched in the industry\u003c\/li\u003e\n\u003cli\u003eData Logger. Scalable axes, Smoothing, Multiple graph view ability, Pre-defined notes fields and many more\u003c\/li\u003e\n\u003cli\u003eProgressive control based on time, RPM, or boost, requires part # 554-111\u003c\/li\u003e\n\u003cli\u003eOption for VE based fueling strategy\u003c\/li\u003e\n\u003cli\u003ePlug and Play control of factory GM 24x and 58x LSx engines\u003c\/li\u003e\n\u003cli\u003eIgnition Plug and Play with GM 24x and 58x LSx engines, GM HEI, Ford TFI, magnetic and hall effect trigger, and other ignition systems. New Plug and Play applications in process.\u003c\/li\u003e\n\u003cli\u003eECU is fully potted and can be mounted in the engine compartment or interior\u003c\/li\u003e\n\u003cli\u003eSelf-tuning fuel table strategy greatly simplifies tuning process\u003c\/li\u003e\n\u003cli\u003eEight channel Distributorless Ignition (DIS)outputs capable of directly driving “Smart” ignition coils or Holley DIS coils.  Will drive 2 wire coils with the addition of PN 554-112 high current coil driver module\u003c\/li\u003e\n\u003cli\u003eOptional 5.7” full-color touchscreen LCD allows easy on-the-fly tuning,data-logging or can be used as an easy to see graphical gauge panel\u003c\/li\u003e\n\u003cli\u003eIntegrated single channel wide band oxygen sensor control.  Works with NTK or Bosch sensors\u003c\/li\u003e\n\u003cli\u003eAllows for use of common OEM sensors as well as customer sensor calibration input\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAccelerometer Support\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBoost Control\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\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\u003eCAN-BUS Support\u003c\/strong\u003e: \u003cspan\u003eYes\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\u003eCoil Per Cylinder Ignition Support\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDatalogging Support\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDry Nitrous Control\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ee85 Support\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEGT Support\u003c\/strong\u003e: \u003cspan\u003eYes\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\u003eForced Induction Support\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Filter Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Hose Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Injectors Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Pressure Regulator Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Pump Included\u003c\/strong\u003e: \u003cspan\u003eNo\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\u003eIgnition Timing Control\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIgnition Type\u003c\/strong\u003e: \u003cspan\u003eCoil - (No Timing Control), GM HEI Small Cap, Holley Dual Sync Distributor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIndividual Cylinder Fuel Corrections\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInjector Connector\u003c\/strong\u003e: \u003cspan\u003eJetronic \/ Minitimer (Bosch)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Manifold Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eKnock Retard Support\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMulti-Stage Nitrous Control\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eFuel Injection Conversion Kit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eHP EFI Kit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProgressive Nitrous Control\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSelf-Tuning\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eService Kits\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThrottle Position Sensor Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTraction Control Support\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUser-Tuneable\u003c\/strong\u003e: \u003cspan\u003eYes\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\u003cdiv\u003e\n\u003cstrong\u003eWet Nitrous Control\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":47328106578058,"sku":"HOLEFI-550-601","price":2749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_550-601_01_normalized.jpg?v=1776574682","url":"https:\/\/www.onlyinstock.com\/products\/holley-efi-550-601-hp-efi-ecu-and-harness-kit","provider":"Only In Stock","version":"1.0","type":"link"}