EFI Systems & Accessories
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On Sale
Holley EFI LS1/LS6 (24X/1X) Engine Main Harness for HP EFI/Dominator EFI 558-102
HOLLEY
Now: $568.95Was: $632.95Holley EFI LS1/LS6 (24X/1X) Engine Main Harness for HP EFI/Dominator EFI 558-102 This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and 1x Cam sensors.558-102Now: $568.95Was: $632.95 -
On Sale
Holley GM Dominator Drive-by-Wire EFI Wiring Harness 558-406
HOLLEY
Now: $224.95Was: $249.95Holley GM Dominator Drive-by-Wire EFI Wiring Harness 558-406 Plug and Play with Holley Throttle Pedal Part Number - 145-160 Designed to work with GM Throttle body P/N's - 12570790 and 12580760 Designed to work with GM Throttle Pedal P/N - 10379038...558-406Now: $224.95Was: $249.95 -
On Sale
Holley EFI Dominator Multi Map Selector 558-407
HOLLEY
Now: $155.65Was: $172.95Holley EFI Dominator Multi Map Selector 558-407558-407Now: $155.65Was: $172.95 -
On Sale
Holley EFI 3.500" Digital Dash Touch Screen LCD 553-108
HOLLEY
Now: $359.95Was: $399.95Holley EFI 3.500" Digital Dash Touch Screen LCD 553-108 The touch screen LCD provides a dynamic range of tuning and data monitoring options in a compact 3.5" LCD display Features: Full Color, Backlit 3.5” Touch Screen LCD Laptop-Free Tuning...553-108Now: $359.95Was: $399.95 -
Dominator EFI Kit LS2 Main Harness w/ Trans, DBW w/ EV1 Injector Harness 550-660
HOLLEY
$3,399.95Dominator EFI Kit LS2 Main Harness w/ Trans, DBW w/ EV1 Injector Harness 550-660 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire,...550-660$3,399.95 -
Dominator EFI Kit LS2 Main Harness w/ DBW w/ EV1 Injector Harness 550-659
HOLLEY
$3,349.95Dominator EFI Kit LS2 Main Harness w/ Trans Control w/ EV1 Injector Harness 550-658 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by...550-659$3,349.95 -
Dominator EFI Kit LS2 Main Harness w/ Trans Control w/ EV1 Injector Harness 550-658
HOLLEY
$3,349.95Dominator EFI Kit LS2 Main Harness w/ Trans Control w/ EV1 Injector Harness 550-658 Fits GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 style Engines with EV1 Injectors, and a 4L60/80E Transmission Dominator® EFI Vehicle Management Systems are intended...550-658$3,349.95 -
Dominator EFI Kit LS1 Main Harness w/ Trans Control, DBW w/ EV1 Injector Harness 550-657
HOLLEY
$3,399.95Dominator EFI Kit LS1 Main Harness w/ Trans Control, DBW w/ EV1 Injector Harness 550-657 Fits GM LS 24x Crank, 1x Cam - LS1/LS6 style Engines with EV1 Injectors a 4L60/80E Transmission, and a DBW Throttle Body. Dominator® EFI Vehicle Management...550-657$3,399.95 -
Dominator EFI Kit LS1 Main Harness w/ Trans Control w/ EV1 Injector Harness 550-656
HOLLEY
$3,349.95Dominator EFI Kit LS1 Main Harness w/ Trans Control w/ EV1 Injector Harness 550-656 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by...550-656$3,349.95 -
Dominator EFI Kit LS2 Main Harness w/ EV1 Injector Harness 550-651
HOLLEY
$3,049.95Dominator EFI Kit LS2 Main Harness w/ EV1 Injector Harness 550-651 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and dual...550-651$3,049.95 -
Dominator EFI Kit LS1 Main Harness w/ EV1 Injector Harness 550-650
HOLLEY
$3,049.95Dominator EFI Kit LS1 Main Harness w/ EV1 Injector Harness 550-650 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and dual...550-650$3,049.95 -
On Sale
Holley Terminator X 42 LB/HR EV6 Fuel Injectors 522-428XFM
HOLLEY
Now: $673.95Was: $749.95Holley Terminator X 42 LB/HR EV6 Fuel Injectors 522-428XFM Terminator X Flow Matched High Impedance Fuel Injectors are dynamic flow matched within 1%, resulting in extremely precision and consistent injector characteristics. These injectors provide...522-428XFMNow: $673.95Was: $749.95