Made in USA
550-651 Dominator EFI ECU with GM LS2 Main Harness and EV1 Injector Harness
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-550-651

550-651 Dominator EFI ECU with GM LS2 Main Harness and EV1 Injector Harness

$3,29995
4 left in stock
ShippingShips Today
Lowest PriceLowest Price Guarantee

ECU Kits
Dominator EFI Kit
  • GM LS2, LS3, LS7 (4.8L, 5.3L, 6.0L) Style Engines
  • w/58X Crank Sensor and 4X Cam Sensor
  • Includes:
    • Dominator ECU
    • ECU Power Harness
    • Engine Main Harness
    • EV1 Injector Harness
    • USB Cable
    • Bosch Wideband Sensor

      Holley 550-651 Dominator EFI ECU with GM LS2 Main Harness w/Transmission Control and EV1 Injector Harness Features:

      • Dominator EFI base kits available for various popular domestic V8 engines, including LS, SBC/BBC, SBF, BBF, and Chrysler engines
      • Kits include: Dominator ECU, USB cable, ECU Power Harness, Engine Main Harness, EV1 Injector Harness, Bosch Wideband, ECU mounting hardware
      • Integrated electronic transmission control for GM 4L60E, 4L80E, Ford AODE, and 4R70W transmissions (more to come in the future)
      • Integrated drive-by-wire throttle body control supporting two drive-by-wire throttle bodies (compatible with GM, Chrysler, Ford, and Nissan)
      • Integrated dual-channel wideband oxygen sensor controls for monitoring both engine banks (NTK or Bosch sensors)
      • Extensive inputs and outputs for limitless combination of options, serving as a complete data acquisition system
      • Individual cylinder fuel and spark control for unlocking the engine's potential
      • 1-7 Bar MAP sensor capability for naturally aspirated or boosted applications
      • Fuel Map and Learn Function Smoothing for smoothing rough areas of the maps
      • Self-tuning fuel table strategy simplifying the tuning process with learning capability
      • “Quick Start” strategies for faster engine starting
      • Allows the use of common OEM sensors and custom sensor calibration input
      • Two-channel knock control sensor inputs for one or two-wire knock sensors
      • Store and select between four calibrations with Multi Map Selector (Part Number 558-407)
      • ECU is fully potted and can be mounted in the engine compartment or interior – See images for dimensions
      • Sealed automotive and marine-grade connectors
      • Optional Digital Displays: 7" Digital Dash (PN 553-106) / 3.5" Touch Screen LCD (PN 553-108)
      • 12.3" Pro Dash (PN 553-111) and 7" Race Dash (PN 553-106) features full gauge layout customization and nearly limitless tuning options
      • Data Logger – Analyze and export data with sophisticated, user-friendly tools – Internal logger has 4 GB of memory
      • Strip Chart – For real-time data viewing
      • Fully Configurable laptop Gauge Panel – Life-like gauge cluster on your laptop screen
      • Racepak Integration Module Available
      • Data logger - Smoothing, multiple graph view, pre-defined notes fields, and more
      • Fully-featured nitrous control eliminates the need for a separate nitrous controller device
      • Configurable as "Wet" or "Dry" with closed-loop feedback
      • Progressive control based on time, RPM, or boost, requires part # 554-111
      • Lean or rich safety cutoff
      • Full timing retard/control configurability per stage based on RPM or time
      • Uses Holley water/meth solenoids designed for use with this EFI system for precise water/meth tuning
      • Allows control of two nozzles with nozzle options available
      • Complete control of pump activation and low system safety features
      • Fully-featured boost control capability eliminates the need for a separate boost control device
      • Configurable boost control based on time, gear, speed, and manual inputs
      • Gear-based boost control configurable by several different methods
      • "Boost Builder" functions assist in building boost on the starting line with alterations to ignition timing, fueling, and nitrous oxide activation
      • Can be used as an anti-lag function

      Emissions Note:

      This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

      CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • Part TypeEngine Control Module
    BrandHOLLEY
    Package Height9.9
    Package Width15.3
    Package Length26.8
    Weight12.7 PG
    Part CategoryPerformance Parts
    Wiring Harness IncludedYes
    QuantitySold as a Kit
    Mounting Hardware IncludedYes
    Part FitmentSemi Universal
    Mount Hole Quantity4
    Vendor Part Number550-651
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

    553-112 EFI Pro Dash 6.860 in.

    HOLLEY

    553-112 EFI Pro Dash 6.860 in.

    Part Number : 510-553-112
    $1,14695$1349.95
    You Save$203.00
    7 in. EFI Digital Dash Full-Color Touch Screen 800x480 Weatherproof

    HOLLEY

    7 in. EFI Digital Dash Full-Color Touch Screen 800x480 Weatherproof

    Part Number : 510-553-106
    $82195$967.95
    You Save$146.00
    12.3 in. Pro Dash Full-Color Touchscreen EFI Display 200-Plus Channels

    HOLLEY

    12.3 in. Pro Dash Full-Color Touchscreen EFI Display 200-Plus Channels

    Part Number : 510-553-111
    $1,86895$2199.95
    You Save$331.00
    553-117 Standalone Pro Dash 6.860 in.

    HOLLEY

    553-117 Standalone Pro Dash 6.860 in.

    Part Number : 510-553-117
    $1,35895$1599.95
    You Save$241.00
    554-186 EFI 8-Channel EGT Kit

    HOLLEY

    554-186 EFI 8-Channel EGT Kit

    Part Number : 510-554-186
    $1,59995
    Engine Control Module for Holley EFI Systems

    HOLLEY

    Engine Control Module for Holley EFI Systems

    Part Number : 510-554-143
    $65995
    105-Piece Heat Seal Crimp Connector Kit

    JEGS

    105-Piece Heat Seal Crimp Connector Kit

    Part Number : 555-10700
    $5199$57.99
    You Save$6.00
    61-Piece Heat Shrink Tubing Kit [Black]

    JEGS

    61-Piece Heat Shrink Tubing Kit [Black]

    Part Number : 555-10630
    $2699$29.99
    You Save$3.00
    Mini Butane Torch (Empty)

    JEGS

    Mini Butane Torch (Empty)

    Part Number : 555-80720
    $1299$14.99
    You Save$2.00
    Crimp Connector Kit [160 Pieces]

    JEGS

    Crimp Connector Kit [160 Pieces]

    Part Number : 555-10705
    $1599$17.99
    You Save$2.00
    Wire Crimping Pliers and Stripping Tool

    JEGS

    Wire Crimping Pliers and Stripping Tool

    Part Number : 555-80575
    $1399$15.99
    You Save$2.00
    Angled Flush Cutter - 5 in.

    JEGS

    Angled Flush Cutter - 5 in.

    Part Number : 555-W30763
    $1199$13.99
    You Save$2.00
    Colored Electrical Tape [5 pack]

    JEGS

    Colored Electrical Tape [5 pack]

    Part Number : 555-W549
    $499$5.99
    You Save$1.00
    Electrical Tape [3/4 in. x 60 ft.]

    JEGS

    Electrical Tape [3/4 in. x 60 ft.]

    Part Number : 555-W502
    $499$5.99
    You Save$1.00
    12-Gauge Premium Automotive Wire Red [100 ft.]

    JEGS

    12-Gauge Premium Automotive Wire Red [100 ft.]

    Part Number : 555-11381
    $5899$64.99
    You Save$6.00
    12-Gauge Premium Automotive Wire Black [100 ft.]

    JEGS

    12-Gauge Premium Automotive Wire Black [100 ft.]

    Part Number : 555-11380
    $5999$65.99
    You Save$6.00
    14-Gauge Premium Automotive Wire Red [50 ft.]

    JEGS

    14-Gauge Premium Automotive Wire Red [50 ft.]

    Part Number : 555-10801
    $2999$32.99
    You Save$3.00
    14-Gauge Premium Automotive Wire Blue [50 ft.]

    JEGS

    14-Gauge Premium Automotive Wire Blue [50 ft.]

    Part Number : 555-10802
    $2999$32.99
    You Save$3.00
    14-Gauge Premium Automotive Wire Green [50 ft.]

    JEGS

    14-Gauge Premium Automotive Wire Green [50 ft.]

    Part Number : 555-10808
    $2999$32.99
    You Save$3.00
    14-Gauge Premium Automotive Wire Black [50 ft.]

    JEGS

    14-Gauge Premium Automotive Wire Black [50 ft.]

    Part Number : 555-10800
    $2999$32.99
    You Save$3.00
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!