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Holley

Holley 558-400 Connector J1A/B Input/Outputs Auxiliary Harness

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$210.65 $204.09

Great for applications requiring minimal Input/output wiring.4 Output Wires4 Input Wires Specifications: Description_DEF Ignition Harness Description_DES Connector J1A/B Input/Outputs Auxiliary Harness Description_EXT Connector J1A/B...

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HOLLEY

HOLLEY 558-400 J1A/B Input/Output Connector

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$170.43 $0.00

EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each

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HOLLEY

HOLLEY 558-401 Auxiliary Harness J2A Connector

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$324.01 $0.00

EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit

-13%

Dominator-Efi-Connector-J2a-Auxiliary-Harness

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Holley

Holley 558-401 Dominator EFI Connector J2A Auxiliary Harness

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$376.92 $324.72

Used when adding a second wide band oxygen sensor to a Dominator EFI installation. Specifications: Description_DEF Ignition Harness Description_DES Dominator EFI Connector J2A Auxiliary...

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Dominator-Efi-Connector-J2b-Auxiliary-Harness

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Holley

Holley 558-402 Dominator EFI Connector J2B Auxiliary Harness

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$289.67 $256.92

J2B Connector Four Additional Injector Driver Outputs Four Additional Coil Driver Outputs23 User Programmable Outputs Specifications: Description_DEF Ignition Harness Description_DES Dominator EFI Connector J2B...

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HOLLEY

HOLLEY 558-402 J2B Auxiliary Harness Kit

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$248.75 $0.00

EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit

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HOLLEY

HOLLEY 558-403 J3 Connector & Harness

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$264.30 $0.00

Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each

-15%

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Holley

Holley 558-404 Dominator EFI Connector J4 Auxiliary Harness

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$370.34 $312.23

J4 ECU Connector26 User Programmable Inputs and Outputs Specifications: Description_ASC Note when purchasing this harness, J4 is also used for Transmission Control. Description_CAP Note...

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HOLLEY

HOLLEY 558-404 J4 Connector & Harness

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$317.87 $0.00

EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each

Trans-Wire-Harness-Gm-4L60-Pre-2009---4L80

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Holley

Holley 558-405 GM 4L60/80E Transmission Harness

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$476.47

GM 4L60/80E Transmission Harness - Complete terminated harness with j4 connector to operate GM electronic transmissions. Specifications: Description_ASC Not recommended for 4x4 applications with...

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HOLLEY

HOLLEY 558-405 Trans Wire Harness GM 4L60 Pre 2009 - 4L80

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$425.21 $0.00

EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each

-9%

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Holley

Holley 558-406 Dominator EFI GM Drive By Wire Harness

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$384.06 $348.59

Dominator EFI GM Drive-By-Wire Harness Specifications: Description_DEF Fuel Injection Harness Description_DES Dominator EFI GM Drive By Wire Harness Description_EXT Dominator EFI GM Drive By...

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HOLLEY

HOLLEY 558-406 Drive By Wire Harness GM

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$347.48 $0.00

EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each

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Holley

Holley 558-407 Dominator EFI Multi Map Selector

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$284.73 $249.08

Dominator EFI Multi Map Selector Specifications: Description_DEF Engine Control Module (ECM) Description_DES Dominator EFI Multi Map Selector Description_INV MULTIMAP SELECTOR Description_EXT Dominator EFI Multi...

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HOLLEY

HOLLEY 558-407 Multi Map Selector

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$259.41 $0.00

ECM Calibration Select Switch - Key Selector - 4 Separate Maps - Holley Dominator EFI - Kit

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HOLLEY

HOLLEY 558-408 Connector & Pin Kit J2A/J2B/J3/J4

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$310.19 $0.00

Connector and Pin Kit - J2A / J2B / J3 / J4 Plugs - Holley Dominator EFI - Kit

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Holley

Holley 558-408 j2A, j2B, j3, j4 Connector & Pin Kit

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$362.10 $349.38

j2A, j2B, j3, j4 Connector & Pin Kit - Contains connectors & pins, but no wiring. for Dominator EFI Specifications: Description_DEF Fuel Injector Connector...

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HOLLEY

HOLLEY 558-409 Sealed USB Cable

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$129.91 $0.00

Data Transfer Cable - USB to Mini USB - Sealed - 7 ft Length - Holley EFI Kits - Each

-10%

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Holley

Holley 558-409 Sealed USB Data Cable

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$163.44 $147.05

7' long sealed USB data cable. This cable is included with the purchase of an HP or Dominator ECU. Specifications: Description_DEF Computer Chip Programmer...

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CrankCam-Ign.-Harness.-Fully-Terminated-Harness.

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Holley

Holley 558-410 Crank/Cam Ign. Harness. Fully terminated harness.

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$145.35

Crank/Cam Ign. Harness. Fully terminated harness. Connects to Holley 60-2 crank sensor and GM Cam-Sync Distributor AC Delco PN213-350 or eficonnection.com sync pulse distributor...

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Gm-Dual-Throttle-Body-Drive-By-Wire-Harness

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Holley

Holley 558-411 GM Dual Throttle Body Drive-By-Wire Harness

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$554.93

Dominator EFI GM Dual Drive-By-Wire Harness Specifications: Description_DEF Fuel Injection Harness Description_EXT GM Dual Throttle Body Drive-By-Wire Harness; Description_DES GM Dual Throttle Body Drive-By-Wire...

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Engine-Control-Module-(Ecm)-Wiring-Harness

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Holley

Holley 558-414 Terminator (R) EFI Wiring Harness

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$748.90

Replacement main wiring harness for Terminator EFI kits 550-405 and 550-406. Specifications: Description_DEF Engine Control Module (ECM) Wiring Harness Description_DES Terminator (R) EFI Wiring...

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Holley

Holley 558-415 Terminator (R) Throttle Body Harness

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$307.55

Replacement throttle body wiring harness for Terminator EFI kits 550-405 and 550-406. Specifications: Description_DEF Fuel Injection Harness Description_DES Terminator (R) Throttle Body Harness Description_EXT...

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HOLLEY

HOLLEY 558-416 Map Sensor Adapter LS1 & LS2 to LS3

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$56.67 $0.00

Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each

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Gen-Iii-Hemi-Drive-By-Wire-Harness---Early-Pedal

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Holley

Holley 558-417 Gen III HEMI Drive-By-Wire Harness - Early Pedal

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$404.31

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...

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Gen-Iii-Hemi-Drive-By-Wire-Harness---Late-Pedal

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Holley

Holley 558-418 Gen III HEMI Drive-By-Wire Harness - Late Pedal

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$336.92

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...

-27%

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Holley

Holley 558-420 Terminator (R) EFI Wiring Harness

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$101.18 $73.38

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...

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HOLLEY

HOLLEY 558-420 Wire Harness Kit - EFI Terminator I/O

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$74.22 $0.00

EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each

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Ford-Coyote-(2011-2017)-Drive-By-Wire-Harness

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Holley

Holley 558-422 Ford Coyote (2011-2017) Drive-By-Wire Harness

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$415.77

Drive-By-Wire harness for 2011-2017 Ford Coyote (5.0L) engines Specifications: Description_DEF Fuel Injection Harness Description_DES Ford Coyote (2011-2017) Drive-By-Wire Harness Description_EXT Injector Harness; Ford Coyote...

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Holley

Holley 558-424 Fuel Injection Wire Harness

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$89.65

Can Extension Harness (for Racepak and other external CAN drives) Specifications: Description_DEF Fuel Injection Harness Description_DES Fuel Injection Wire Harness Description_INV CAN EXTENSION HARNESS,...

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HOLLEY

HOLLEY 558-425 CAN Extension Harness 8ft Length

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$98.59 $0.00

CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each

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Holley

Holley 558-425 Fuel Injection Wire Harness

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$116.76 $105.03

Can Extension Harness (for Racepak and other external CAN drives) Specifications: Description_DEF Fuel Injection Harness Description_DES Fuel Injection Wire Harness Description_EXT Fuel Injection Wire...

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HOLLEY

HOLLEY 558-426 Can Extension Harness 12ft

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$118.34 $0.00

CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each

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Holley

Holley 558-426 Fuel Injection Wire Harness

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$140.16 $126.09

Can Extension Harness (for Racepak and other external CAN drives) Specifications: Description_DEF Fuel Injection Harness Description_DES Fuel Injection Wire Harness Description_KEY holley; fuel injection...

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HOLLEY

HOLLEY 558-428 CAN Extension Harness 9in Length

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$78.84 $0.00

CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each

-16%

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Holley

Holley 558-428 Fuel Injection Wire Harness

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$101.18 $84.04

Can Extension Harness (for Racepak and other external CAN drives) Specifications: Description_DEF Fuel Injection Harness Description_DES Fuel Injection Wire Harness Description_FAB Fuel Injection Wire...

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