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Description
Dominator EFI-LS1 Main Harness w/ Trans Control w/EV1 Injector Harness 550-656Fits GM LS 24x Crank, 1x Cam LS1 LS6 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
Fits GM LS 24x Crank, 1x Cam - LS1/LS6 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 LS1/LS2/LS6 |
| 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 |
| 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 |
|---|---|---|---|
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Classic
Format: Board book
Kids loved this book. Classic.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
Wonderful classic
Format: Board book
This book challenges the assumption that more is better, bringing back memories of my own easy-going childhood. Ezra Keats is remarkable in his ability to create a story that so many people can relate too and the books illustrations also manage to pull you back into your own childhood memories and moments of wonder at snow. His artwork is spare yet the pictures burst with brilliant color and expression. In many of the pictures, Peter lacks facial features except his eyes, but Keats manages, with the angle of his head and the composition, to convey feeling.
The text, similarly economical, is made up of just enough words to tell the story -- none of them too hard for a young reader to sound out or for a young listener to understand -- and they are vivid words used powerfully, often rhyming or repeating. The result is that kids (and parents too!) can settle into Peter's snowy world. A bonus in this sparkling story is the African-American main character -- an all-too-rare occurrence, still, in children's literature. I try to expose my child to a diverse array of characters in his story books and am still left disheartened when I return from the book store because, unfortunately there really are too few choices that are quality stories that both the adult and child can enjoy reading. This is one of those books. The story is engaging and still simple enough that a child can follow along.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2016
★★★★★ 5
A classic
Format: Paperback
Such a wonderful book!
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Reviewed in the United States on April 13, 2026
★★★★★ 5
An amazing story by an amazing man! I am honored!
Format: Kindle
A must-have book for anyone of any age! Find out what happens on a snowy day for one adventurous little boy, who loves to play in the snow. The illustrations are unique and captivating, and blessed readers with the eclectic artwork and storytelling of Keats. This book is very special to me, as I was recently nominated for the 2015 Ezra Jack Keats Award for new author of the year. When I read this book, my heart swells with appreciation for the work of this man, and that I am even being considered for an award bearing his name. He was indeed a pioneer of children's books in his own right. I especially liked the chance at the end of the book, to get to read about and see how the book became the award winner that it is. His unique ability to transform words and art into captivating children's stories is phenomenal. I am grateful for his part in the paving of the literary road, so that new authors like me can use his works to continually inspire us to write from the heart, and through the loving, imaginative eyes of a child. If ever I feel doubtful in my own writing career, I will always read his books and remember that his name is synonymous with greatness. To even be considered for an award with his name on it, has indeed changed my life as a person and a writer. I hope my writing career will make him proud, that I was considered for his namesake award.
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Reviewed in the United States on August 2, 2014
★★★★★ 5
A Story to Melt Your Heart
Format: Paperback
This is an easy review to write, as there is nothing I dislike about "The Snowy Day." Although it was published in 1962, it is still as fresh and new as, well, newly-fallen snow. Keats knew how to tell a story well, in both words and through his beautiful and colorful images. It is a perfect children's book, because it is written from their point of view, imbued with their unalloyed sense of wonder and enchantment. Most importantly, I think, is that Keats' main character, Peter, is a little African-American boy, who lives in an urban setting. Peter is neither caricatured nor is he a symbol of or vehicle for speaking about social issues, which would have been very easy to do at the time it was written. Instead, it is a timeless story about a young child discovering snow for the first time and trying to understand its mysterious nature. Although Peter does not fully comprehend snow, he enjoys experiencing it just the same. In simple and direct prose, Keats captures and conveys what it is like to be very young and to encounter the beauty and mystery of the natural world, even in an urban setting. I plan to read this book to the younger children in my church's Sunday school...but it's really for me.
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Reviewed in the United States on September 6, 2020