- Fuel, Carbs & Intakes
- Fuel Injection
- Holley Dominator EFI Vehicle Management Systems
Take your EFI System to the next level with the Dominator ECU
Holley Dominator EFI Vehicle Management Systems are engine management systems that can regulate any engine combination, from street to high-end unlimited racing. This system will control almost any input, output, or power adder you can think of, as well as function as a standalone data acquisition/control module. So, stop driving with multiple controllers and upgrade to Dominator ECU, providing your ride with complete engine management in a single unit.
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Wiring Harness Included
Mounting Hardware Included
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PRICE
ECUs
$2,997.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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$2,997.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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ECU Kits
Holley 550-650
Holley 550-650 Dominator EFI ECU with GM LS1, LS2, LS6 Main Harness and EV1 Injector Harness
$3,464.95
Ships Monday
FREE Shipping
Lowest Price Guarantee
Holley 550-656
Holley Dominator EFI ECU with GM LS1 Main Harness w/Transmission Control and EV1 Injector Harness
$3,999.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
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$3,999.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Holley 550-657
Holley 550-657 Dominator EFI ECU with GM LS2 Main Harness w/Transmission Control and EV1 Injector Harness
$4,434.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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$4,434.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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Holley 550-658
Holley Dominator EFI ECU with GM LS2 Main Harness w/Transmission Control and EV1 Injector Harness
$3,999.95
Ships Tomorrow
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Holley 550-659
Holley Dominator EFI ECU with GM LS2 Main Harness w/Drive-By-Wire and EV1 Injector Harness
$4,367.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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$4,367.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Holley 550-660
Holley Dominator EFI ECU with GM LS2 Main Harness w/Transmission Control & Drive-By-Wire and EV1 Injector Harness
$3,999.95
Ships Monday
FREE Shipping
Lowest Price Guarantee
Holley 550-652
Holley Dominator EFI ECU with Universal (Chevy & Chrysler Engines) Main Harness and EV1 Injector Harness
$3,464.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$3,464.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Holley 550-654
Holley Dominator EFI ECU with Universal (Chevy & Chrysler Engines) Main Harness w/Coil-On-Plug Sub Harness and EV1 Injector Harness
$3,999.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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$3,999.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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Holley 550-653
Holley Dominator EFI ECU with Universal (Ford Engines) Main Harness and EV1 Injector Harness
$3,969.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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$3,969.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Holley 550-655
Holley Dominator EFI ECU with Universal (Ford Engines) Main Harness w/Coil-On-Plug Sub Harness and EV1 Injector Harness
$3,999.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
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$3,999.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
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Touch Screens
Auxiliary Harness
$110.95
(1)
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
Lowest Price Guarantee
$110.95
(1)
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
Lowest Price Guarantee
$206.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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$206.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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Ignition Harness
$183.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
Lowest Price Guarantee
$183.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
Lowest Price Guarantee
Injector Harness
Holley 558-200
Holley Dominator, HP & Avenger EFI Injector Wiring Harness V8 Over Manifold Bosch Style
$179.95
(2)
Ships Monday
Lowest Price Guarantee
$109.95
$53.88
SAVE $56.07
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
Lowest Price Guarantee
$109.95
$53.88
SAVE $56.07
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
Lowest Price Guarantee
$195.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
Lowest Price Guarantee
$195.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
Lowest Price Guarantee
$207.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$207.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$230.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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Lowest Price Guarantee
$230.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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Main Harness
$580.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$580.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$485.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$485.95
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee