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Description
Dominator EFI-LS2 Main Harness w/ Trans Control w/EV1 Injector Harness 550-658Fits GM LS 58x Crank, 4x Cam 4. 8 5. 3 6. 0 style Engines with EV1 Injectors, and a 4L60 80E Transmission Features: Dominator EFI base kits come in several product variations to fit most popular domestic V8 engine applications such as; LS, SBC BBC, SBF, BBF, and Chrysler engines1 Kits include the following: Dominator ECU, USB cable, ECU Power Harness, Engine Main Harness, EV1 Injector Harness, Bosch Wideband, ECU mounting hardware2 Integrated
Fits GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 style Engines with EV1 Injectors, and a 4L60/80E Transmission
Features:
- Dominator EFI base kits come in several product variations to fit most popular domestic V8 engine applications such as; LS, SBC/BBC, SBF, BBF, and Chrysler engines1
- Kits include the following: Dominator ECU, USB cable, ECU Power Harness, Engine Main Harness, EV1 Injector Harness, Bosch Wideband, ECU mounting hardware2
- Integrated electronic transmission control - Operates GM 4L60E and 4L80E transmissions, Ford AODE and 4R70W with more to come in the future3
- Integrated drive by wire throttle body control - Can control two drive by wire throttle bodies. Compatible with a number of DBW throttle bodies including GM, Chrysler, Ford, and Nissan4
- Integrated dual channel wide band oxygen sensor controls ? For monitoring both engine banks (NTK or Bosch sensors)5
- Extensive amount of inputs and outputs allow for limitless combination of options. Allows for unit to be used as a complete data acquisition system as well6
- Individual cylinder fuel and spark control allows you to unlock your engine?s potential7
- 1-7 Bar MAP sensor capability ? For naturally aspirated or boosted applications8
- Fuel Map and Learn Function Smoothing ? Helps to smooth rough areas of the maps9
- Self-tuning fuel table strategy greatly simplifies tuning process ? The more you drive it, the more it learns10
- ?Quick Start? strategies ? For faster engine starting11
- Allows for use of common OEM sensors as well as custom sensor calibration input12
- Two channel knock control sensor inputs for both one or two wire knock sensors13
- Store and select between four calibrations with Multi Map Selector (Part Number 558-407)14
- HARDWARE15
- ECU is fully potted and can be mounted in the engine compartment or interior ? See images for dimensions16
- Sealed automotive and marine grade connectors17
- Optional Digital Displays - 7" Digital Dash (PN 553-106) / 3.5" Touch Screen LCD (PN 553-108)18
- 12.3" Pro Dash (PN 553-111) and 7" Race Dash (PN 553-106) features full gauge layout customization, and nearly limitless tuning options.19
- DATA VISUALIZATION TOOLS20
- Data Logger ?Analyze and export your data with sophisticated, but user friendly tools ? Internal logger has 4 GB of memory21
- Strip Chart ? For real-time data viewing22
- Fully Configurable lap top Gauge Panel ? Life-like gauge cluster on your laptop screen23
- Racepak Integration Module Available.24
- Data logger - Smoothing, multiple graph view, pre-defined notes fields and more..25
- 8 STAGE NITROUS OXIDE CONTROL26
- Fully featured nitrous control eliminates the need for a separate nitrous controller device27
- Can be configured ?Wet? or ?Dry? with closed loop feedback28
- Progressive control based on time, RPM, or boost, requires part # 554-11129
- Lean or rich safety cutoff30
- Full timing retard/control configurability per stage based on RPM or time31
- INTEGRATED WATER/METHANOL INJECTION CONTROL32
- Uses 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 industry33
- Allows for two nozzles to be controlled34
- Nozzles available from 400 to 1000 cc/min35
- Complete control of pump activation, and low system safety features36
- TURBOCHARGER BOOST CONTROL37
- Fully featured boost control capability eliminates the need for a separate boost control device38
- Can be configured to control boost based on time, gear, speed, and manual inputs39
- Gear based boost control configurable by several different methods40
- ?Boost Builder? functions offer the ability to assist building boost on the starting line by altering ignition timing, fueling, as well as nitrous oxide activation. Can also be used as an anti-lag function41
Specs:
| Accelerometer Support | Yes |
|---|---|
| Boost Control | Yes |
| Brand | Holley EFI |
| CAN-BUS Support | Yes |
| Category Filter | Fuel Injection - EFI |
| Clearance Category | Fuel Injection - EFI |
| Coast Guard Approved | Yes |
| Coil Per Cylinder Ignition Support | Yes |
| Datalogging Support | Yes |
| Dry Nitrous Control | Yes |
| e85 Support | Yes |
| EGT Support | Yes |
| Emission Code | 3 |
| Engine | GM LS2/LS3/LS7 |
| Forced Induction Support | Yes |
| Fuel Filter Included | No |
| Fuel Hose Included | No |
| Fuel Injectors Included | No |
| Fuel Pressure Regulator Included | No |
| Fuel Pump Included | No |
| Grade Type | Performance |
| Height | variable 1.00" to 1.84" |
| Ignition Timing Control | Yes |
| Individual Cylinder Fuel Corrections | Yes |
| Intake Manifold Included | No |
| Knock Retard Support | Yes |
| Length | 13.14" overall |
| Mounting Bolt Pattern | 12.13"x 6.10" |
| Multi-Stage Nitrous Control | Yes |
| Product Type | Dominator ECU - ECM - VCM |
| Progressive Nitrous Control | Yes |
| Sale Category | Air and Fuel Delivery |
| Self-Tuning | Yes |
| Throttle Position Sensor Included | No |
| Traction Control Support | Yes |
| User-Tuneable | Yes |
| Warning | California Proposition 65 |
| Wet Nitrous Control | Yes |
| Width | 6.10" overall |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
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4.4 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Great book on energy and the Law of Attraction
Format: Hardcover
One of the best books I have ever read on the Law of Attraction and how it really works through energy management. Simple to understand with no esoteric jargon, and with many practical examples, make this text well worth the purchase.
Highly recommended!
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Reviewed in the United States on March 14, 2026
★★★★★ 5
A fabulous resource for anyone ready to take control of what they attract.
This book is truly a practical guide to understanding how personal energy shapes our life experiences. The author does a great job blending spiritual truths with doable steps, on how to align your thoughts and emotions. Unlike so many other books that focus mostly on positive thinking, this one focuses on awareness and how to shift your “internal frequency” to manifest in the real world.
I really appreciated the uplifting writing style and clear format, making it easy to understand and follow. All in all, I thought this book is a fabulous resource for anyone ready to take control of their vibration, and create a more abundant and purposeful life.
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Reviewed in the United States on October 28, 2025
★★★★★ 5
makes positive change easier
I really enjoyed the simplicity of this book. I've made a lot of bookmarks. It's a lot of information I was already familiar with, but phrased in simple and relatable ways. Also a lot of things I didn't think about, like sound and energy. I enjoyed the examples on how to do some of these steps, and simple things you can do every day, like micro changes, to make positive change easier.
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Reviewed in the United States on October 27, 2025
★★★★★ 1
It just repeats the same thing
Format: Hardcover
That book don't make sense it repeats the same things over and over through the entire book
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Unlocking Higher Wisdom: Amazing Insights from Melissa Feick’s Transformative Guide
Format: Paperback
When I was searching for material on Akashic Records, the book that caught my attention more than any other was “A Radical Approach to the Akashic Records: Master Your Life and Raise Your Vibration,” by Melissa Feick. Melissa has studied Metaphysics for most of her life, and has been teaching Metaphysical classes for over 20 years. She has been an intuitive channeler, healer, and Akashic Records reader for over 22 years.
The first thing to know about this book is that Melissa draws a clear distinction between “earth” Akashic Records and “quantum field” Akashic Records. The Earth's Akashic Records are probably the ones you have heard about. In readings from them, you find out things about your past lives on Earth and how experiences and actions from the past may be affecting you now.
In contrast to the Earth Records, the Quantum Akashic Records include not only the Earth, but also everything in the Universe – past, present, and future. They are living records that contain limitless possibilities of creation. And instead of just looking at individual earth lifetimes, the Quantum Records help you identify patterns and heal issues over many lifetimes at once. Quantum Records can also be used for physical healings, manifesting, and connecting to Divine Love.
I can see why Melissa called her book “a radical approach”. She busted several myths about the Akashic Records that I had bought into---like: that only someone who is a psychic or a channeler can access the records. According to Melissa, with a little instruction, anyone can access the Akashic Records in the quantum field. The book gives you a process for accessing the Quantum Akashic Records for self-exploration and healing, as well as how to do readings for others.
Another myth she busted for me concerned life purpose. Her angle is that there is a basic, collective life purpose that underlies all individual ones. She says that everyone’s basic life purpose is to evolve, to live from their higher self, and enjoy multidimensional life. We don’t all have separate life purposes – we just fulfill them in different ways, depending on our talents and proclivities.
I know for myself, I was beginning to wonder “What is my life purpose and what should I be “doing” more (or less) of.” So, it was a relief to read this book, and find that just living my life and growing in the wisdom of knowing more and more about the Self can be enough.
Karma, according to Melissa, is not something that we are being punished for (another busted myth); it’s just a past situation that needs to be disentangled. The process the book teaches also includes how to disentangle your past karma and your triggered emotions so you can experience higher planes of existence.
When you’ve done that, you can transcend your karma and are then able to manifest your desires more easily and spontaneously. This is because the quantum field is the source of creation, and with Melissa’s process, you work at that basic source level.
She discusses several different aspects of karma. The book also dives into the role of “ascension” (growth toward enlightenment), the “planes of existence”, the “toroidal field”, and the “egoic brain”. All these subjects come into play when accessing and working with the quantum Akashic Records. And many chapters conclude with a guided meditation to integrate the material.
Melissa’s mission is to support you on your spiritual path and to help you feel more empowered and in love with life. Her passion is “Ascension” and expanding the consciousness of the planet by supporting the spiritual community. She is an open channel to the Ascension frequencies and sacred Light Codes and loves to share that wisdom with others.
If you want to increase your frequency, access higher states of consciousness, and be able to enjoy your life more, I recommend you get a copy of this book and start accessing your Akashic Records in the quantum field. Your future self will thank you!
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Reviewed in the United States on October 15, 2025