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  • 558-444.jpg
    Holley EFI
    Computer Chip Programmer Input Cable
    $72.97
    $72.97
    $72.97
    Digital Dash Service Harness; Service Replacement Digital Dash Harness; CANBus Connector/USB Connector Wiring;
  • 558-443_04.jpg
    Holley EFI
    Sniper EFI CAN To USB Communication Cable; 8 ft. Communication Cable;
    $65.67
    $72.97
    $65.67
    The 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 down...
  • 558-440.jpg
    Holley EFI
    Universal MPFI Main Harness
    $102.00
    $102.00
    $102.00
    This Universal 4 Cylinder EV14 Injector Harness is designed to be plug and play with HP EFI & Dominator EFI Systems, utilizing our 205 LB/HR Injector Set - Part Number 522-205.
  • 558-442_011922.jpg
    Holley EFI
    Terminator® Stealth Series Throttle Body Sub Harness
    $110.00
    $110.00
    $110.00
    Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle body, install a new main harness,...
  • 558-439x.jpg
    Holley EFI
    Terminator® Throttle Body Harness; For Use w/PN[522-205];
    $217.00
    $217.00
    $217.00
    Injector upgrade harness for Terminator Throttle Body Systems. This harness is designed to be plug and play with our 205 lb./hr. injector upgrade kit, Part Number 522-205.
  • 558-437.jpg
    Holley EFI
    Drive By Wire Harness
    $232.00
    $232.00
    $232.00
    The Holley Dominator ECU has built in capability to control the Drive-By-Wire throttle pedals and throttle bodies used on most Chrysler HEMI applications.
  • 558-438.jpg
    Holley EFI
    Computer Chip Programmer Input Cable
    $94.69
    $106.00
    $94.69
    Computer Chip Programmer Input Cable
  • 558-436.jpg
    Holley EFI
    Terminated Vehicle Harness For Digital Dash; Wiring Harness For Digital Dash;
    $198.00
    $198.00
    $198.00
    Terminated Vehicle Harness For Digital Dash; Wiring Harness For Digital Dash;
  • 558-435.jpg
    Holley EFI
    Unterminated Vehicle Harness For Digital Dash; Wiring Harness For Digital Dash;
    $156.00
    $156.00
    $156.00
    Unterminated Vehicle Harness For Digital Dash; Wiring Harness For Digital Dash;
  • 558-4341861.jpg
    Holley EFI
    Digital Dash I/O Adapter w/Terminated Vehicle Harness
    $323.00
    $323.00
    $323.00
    Digital Dash I/O Adapter w/Terminated Vehicle Harness; Provides 10 More Inputs/Outputs To Digital Dash; Incl. USB Memory Stick/Firmware;
  • 558-433v1.jpg
    Holley EFI
    Digital Dash I/O Adapter w/Unterminated Vehicle Harness
    $248.95
    $277.00
    $248.95
    Digital Dash I/O Adapter w/Unterminated Vehicle Harness; Provides 10 More Inputs/Outputs To Digital Dash; Incl. USB Memory Stick/Firmware;
  • 558-431.jpg
    Holley EFI
    Terminated Crank/Cam Trigger Ignition Harness
    $77.48
    $86.09
    $77.48
    This fully terminated harness is compatible with HP and Dominator ECUs and is plug and play w/ the following products:554-118-HALL EFFECT CRANK TRIGGER SENSOR554-124-FERROUS TARGET CRANK SENSOR554-...
  • 558-432.jpg
    Holley EFI
    Digital Dash I/O Adapter; Replacement Adapter for Digital Dash;
    $115.95
    $129.00
    $115.95
    Digital Dash I/O Adapter; Replacement Adapter for Digital Dash;
  • 558-430.jpg
    Holley EFI
    Fuel Injection Wire Harness
    $27.68
    $30.76
    $27.68
    Fuel Injection Wire Harness; CAN Adapter/Power Harness; Adapts 2 Pin Holley Main Harness CAN Connectors To New Style 4 Pin CAN Devices;
  • 558-429.jpg
    Holley EFI
    Dominator EFI GM Drive By Wire Harness; Early GM Truck;
    $205.95
    $229.00
    $205.95
    Dominator EFI GM DBW Harness-Early Truck. Compatible with GM part number 10379038.
  • 558-428.jpg
    Holley EFI
    Fuel Injection Wire Harness; CAN Extension Harness; 9 in.;
    $37.83
    $42.03
    $37.83
    Can Extension Harness (for Racepak and other external CAN drives)
  • 558-426.jpg
    Holley EFI
    Fuel Injection Wire Harness; CAN Extension Harness; 12 ft.;
    $55.46
    $61.62
    $55.46
    Can Extension Harness (for Racepak and other external CAN drives)
  • 558-425.jpg
    Holley EFI
    Fuel Injection Wire Harness; CAN Extension Harness; 8 ft.;
    $48.51
    $53.90
    $48.51
    Can Extension Harness (for Racepak and other external CAN drives)
  • 558-424.jpg
    Holley EFI
    Fuel Injection Wire Harness; CAN Extension Harness; 4 ft.;
    $46.19
    $46.19
    $46.19
    Can Extension Harness (for Racepak and other external CAN drives)
  • 558-420v2.jpg
    Holley EFI
    Engine Control Module (ECM) Wiring Harness
    $35.49
    $39.43
    $35.49
    PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1-4. It contains one wire for Output 2. These inputs and out...
  • 558-422.jpg
    Holley EFI
    Injector Harness; Ford Coyote Drive By Wire Harness;
    $237.00
    $237.00
    $237.00
    Drive-By-Wire harness for 2011-2017 Ford Coyote (5.0L) engines
  • 558-417.jpg
    Holley EFI
    HEMI Drive By Wire Harness; Fits w/Gen III Hemi Early Pedal;
    $239.00
    $239.00
    $239.00
    Similar to the changes with the cam and crank sensors, the Drive-By-Wire throttle pedal connector was changed in 2008 on cars while the trucks changed in the 2007 models. Interestingly, the throttl...
  • 558-418.jpg
    Holley EFI
    HEMI Drive By Wire Harness; Fits w/Gen III Hemi Late Pedal;
    $239.00
    $239.00
    $239.00
    Similar to the changes with the cam and crank sensors, the Drive-By-Wire throttle pedal connector was changed in 2008 on cars while the trucks changed in the 2007 models. Interestingly, the throttl...
  • 558-416.jpg
    Holley EFI
    Fuel Injection Wiring Harness Adapter
    $34.10
    $37.89
    $34.10
    Holley EFI LS main harnesses have a MAP sensor connecter designed for use with an LS1/2 style MAP sensor. The 558-416 is an adapter harness that can be used to adapt any LS harness that uses an LS...

Showing 577 -600 of 1503 items