Holley EFI
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558-108 Main EFI Harness, 99-04 Ford Modular
Holley EFI
$750.95Main harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines. For Terminator X, X Max, HP and Dominator EFI systems. (Main engine harness only)HLY-558-108$750.95 -
558-212 Holley EFI Ford Fuel Injector Harness for EV6/USCAR Injector Connectors
Holley EFI
$172.95Ford V8 Injector Harness for Ford USCAR / EV6 style Fuel Injectors (Evenly Spaced) Works with Holley EFI systems Terminator X, X Max, HP and Dominator main harnesses. Eliminates the need for...HLY-558-212$172.95 -
558-400 Holley Input/Outputs Auxiliary Harness for Terminator X, HP and Dominator
Holley EFI
$124.00Great for applications requiring minimal Input/output wiring. 4 Output Wires 4 Input Wires Connector J1A/B Inputs/Outputs Auxiliary Harness for Terminator X, HP, and Dominator EFI systemsHLY-558-400$124.00 -
558-401 Holley Dominator EFI Auxilary Harness for Second Wideband
Holley EFI
$235.00Used when adding a second wide band oxygen sensor to a Dominator EFI installation. For use with Bosch 4.2 and NTK wideband sensors. Features: J2A Connector #2 Wide band oxygen sensor harness...HLY-558-401$235.00 -
558-443 CAN to USB cable for Holley EFI, Terminator X
Holley EFI
$73.85The CAN to USB communication cable provides the user with real tuning time access to the ECU. This cable can be used with Holley EFI, Sniper EFI, and Terminator X Tuning Software. Which can be...HLY-558-443$73.85 -
AFM Fox Body Gen 2 Dominator EFI Kit
Holley EFI
MSRP: $4,295.95$4,275.00Dominator® 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 wideband oxygen...AF-AFM-653F2MSRP: $4,295.95$4,275.00 -
Holley 3 Bar MAP sensor. For Forced Induction with Terminator X ECU
Holley EFI
$137.95Holley 3 Bar MAP sensor for use with Holley Terminator X ECU and Terminator X Max on Foxbody Mustang. Comes with new weatherpak connector to make a direct plug and play or can modify Terminator...HLY-554-107$137.95 -
Holley CAN Splitter Harness for Terminator X / Sniper EFI
Holley EFI
$42.18The Holley EFI CAN splitter allows you to add an additional CAN device to your Sniper EFI or Terminator X installation, without needing to unplug the handheld. This easy to install CAN splitter...HLY-558-465$42.18 -
Holley Dominator EFI ECU, 554-114
Holley EFI
$2,824.95Dominator® EFI Vehicle Management Systems are intended for all engine applications, from street to unlimited high-end racing applications. In addition to the transmission control, drive by wire,...HLY-554-114$2,824.95 -
Holley EFI 3.5" Touch Screen LCD, 553-108
Holley EFI
$369.95Holley EFI 3.5" Touch Screan LCD for use with all Terminator, HP, and Dominator EFI systems This touch screen LCD provides a dynamic range of tuning and data monitoring options in a compact,...HLY-553-108$369.95 -
Holley EFI 550-617 Complete Plug and Play 1999 - 2004 4.6 / 5.4 4V Engine Management
Holley EFI
$3,136.95For use on 1999-2004 4.6L and 5.4L 4-valve engines Tired of jumping through hoops and having to play tricks with the factory ECU? Welcome to a better way. Is you cam too wild? ...HLY-550-617$3,136.95 -
Holley EFI Ford EV1 V8 Injector Harness, 558-209
Holley EFI
$230.95Ford V8 Injector Harness for HP EFI, Terminator X & Dominator EFI, have EV1 Injector connectorsHLY-558-209$230.95