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Ignitions and Electrical

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HOLLEY 558-471 Trans Wire Harness Ford AODE/4R70W 92-97 Quick View
HOLLEY

HOLLEY 558-471 Trans Wire Harness Ford AODE/4R70W 92-97

$420.94
HLY558-471
All Products HOLLEY Ignitions and Electrical Transmission Wiring Harnesses Wiring Harnesses
Transmission Wiring Harness - Plug and Play - AODE / 4R70W - Each
HOLLEY 558-485 Sniper 2 M8 Extension Harness - 8ft. Quick View
HOLLEY

HOLLEY 558-485 Sniper 2 M8 Extension Harness - 8ft.

$64.81
HLY558-485
All Products Computers, Chips, Modules and Programmers Data Cables HOLLEY Ignitions and Electrical
Data Transfer Cable - Extension Cable - M8 Connectors - 8 ft Long - Sniper 2 EFI - Each
HOLLEY 558-467 Wire Harness LS to SS Map Adapter Quick View
HOLLEY

HOLLEY 558-467 Wire Harness LS to SS Map Adapter

$45.79
HLY558-467
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Wiring Harness Adapter - Delphi M/P 3 Pin to Delphi GT 3 Pin - GM LS-Series - Each
HOLLEY 558-483 Term X Bluetooth Module Quick View
HOLLEY

HOLLEY 558-483 Term X Bluetooth Module

$322.88
HLY558-483
All Products Computer Modules Computers, Chips, Modules and Programmers HOLLEY Ignitions and Electrical
Computer Module - Terminator X - Bluetooth Module - Live Tuning - Smartphone Compatible - Plastic - Black - Each
HOLLEY 558-473 Wiring Harness Chrysler 46RE Trans Control Quick View
HOLLEY

HOLLEY 558-473 Wiring Harness Chrysler 46RE Trans Control

$274.91
HLY558-473
All Products HOLLEY Ignitions and Electrical Transmission Wiring Harnesses Wiring Harnesses
Transmission Wiring Harness - Plug-N-Play - j4 Connector - Terminator X MAX - 46RE - Chrysler - Each
HOLLEY 558-465 Wiring Harness - Can Splitter Quick View
HOLLEY

HOLLEY 558-465 Wiring Harness - Can Splitter

$66.10
HLY558-465
All Products Computers, Chips, Modules and Programmers Data Cables HOLLEY Ignitions and Electrical
Data Transfer Cable - Holley EFI CAN Splitter - Each
HOLLEY 558-433 Wiring Harness - EFI Digital Dash I/O Adapter Quick View
HOLLEY

HOLLEY 558-433 Wiring Harness - EFI Digital Dash I/O Adapter

$516.94
HLY558-433
All Products Gauge Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Gauge Wiring Harness - EFI Digital Dash - Kit
HOLLEY 558-490 7-Pin Main Harness - Sniper TBI Quick View
HOLLEY

HOLLEY 558-490 7-Pin Main Harness - Sniper TBI

$244.33
HLY558-490
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Main Battery Harness - Fuse / Fuel Pump Relays - Kit
Sold out
HOLLEY 558-489 Sniper-2 tp Sniper-1 Adapter Wire Harness Quick View
HOLLEY

HOLLEY 558-489 Sniper-2 tp Sniper-1 Adapter Wire Harness

$80.61
HLY558-489
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Wiring Harness Adapter - Sniper EFI - Sniper EFI 1 to Sniper EFI 2 - Each
-1%
HOLLEY 558-470 Trans Wire Harness Ford 4R70W/4R75W 1998-Up Quick View
HOLLEY

HOLLEY 558-470 Trans Wire Harness Ford 4R70W/4R75W 1998-Up

$386.33 $378.81
HLY558-470
All Products HOLLEY Ignitions and Electrical Transmission Wiring Harnesses Wiring Harnesses
Transmission Wiring Harness - Plug-N-Play - j4 Connector - 4R70W / 4R75W - Ford - Each
HOLLEY 558-438 Sealed USB Cable - 15ft Quick View
HOLLEY

HOLLEY 558-438 Sealed USB Cable - 15ft

$195.45
HLY558-438
All Products Computers, Chips, Modules and Programmers Data Cables HOLLEY Ignitions and Electrical
Data Transfer Cable - USB to Mini USB - Sealed - 15 ft Length - Holley EFI Kits - Each
HOLLEY 558-456 Pro-Dash Harness Un-terminated IO Quick View
HOLLEY

HOLLEY 558-456 Pro-Dash Harness Un-terminated IO

$408.51
HLY558-456
All Products Dash Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Dash Wiring Harness - Pins / Plugs / Wires Included - Kit
HOLLEY 558-432 I/O Adapter for Digital Dash Quick View
HOLLEY

HOLLEY 558-432 I/O Adapter for Digital Dash

$246.95
HLY558-432
All Products Dash Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Digital Dash Wiring Harness - Input/Output Extender - Holley Digital Dash - Kit
HOLLEY 558-426 Can Extension Harness 12ft Quick View
HOLLEY

HOLLEY 558-426 Can Extension Harness 12ft

$117.09
HLY558-426
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each
-2%
HOLLEY 558-406 Drive By Wire Harness GM Quick View
HOLLEY

HOLLEY 558-406 Drive By Wire Harness GM

$349.93 $340.43
HLY558-406
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each
HOLLEY 558-463 Adapter Harness Wideband Terminator-X Quick View
HOLLEY

HOLLEY 558-463 Adapter Harness Wideband Terminator-X

$95.18
HLY558-463
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Wiring Harness Adapter - Terminator X - Wideband - Each
-2%
HOLLEY 558-420 Wire Harness Kit - EFI Terminator I/O Quick View
HOLLEY

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

$75.67 $73.90
HLY558-420
All Products Fuel Injector Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each
HOLLEY 558-416 Map Sensor Adapter LS1 & LS2 to LS3 Quick View
HOLLEY

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

$59.28
HLY558-416
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each
HOLLEY 558-428 CAN Extension Harness 9in Length Quick View
HOLLEY

HOLLEY 558-428 CAN Extension Harness 9in Length

$77.69
HLY558-428
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each
-2%
HOLLEY 558-443 Sniper EFI CAN to USB Dongle-Com. Cable Quick View
HOLLEY

HOLLEY 558-443 Sniper EFI CAN to USB Dongle-Com. Cable

$115.49 $112.80
HLY558-443
All Products Computers, Chips, Modules and Programmers Data Cables HOLLEY Ignitions and Electrical
Data Transfer Cable - USB to CAN - 8 ft - Black - Sniper / Terminator X EFI - Each
-1%
HOLLEY 558-429 Dominator EFI DBW Harness - Early Truck Quick View
HOLLEY

HOLLEY 558-429 Dominator EFI DBW Harness - Early Truck

$386.33 $378.81
HLY558-429
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each
HOLLEY 558-400 J1A/B Input/Output Connector Quick View
HOLLEY

HOLLEY 558-400 J1A/B Input/Output Connector

$189.53
HLY558-400
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each
Sold out
HOLLEY 558-408 Connector & Pin Kit J2A/J2B/J3/J4 Quick View
HOLLEY

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

$324.44
HLY558-408
All Products HOLLEY Ignitions and Electrical Wiring Components Wiring Connectors and Terminals
Connector and Pin Kit - J2A / J2B / J3 / J4 Plugs - Holley Dominator EFI - Kit
-1%
HOLLEY 558-430 Can Adapter- New Device to 2-Pin Main Harness Quick View
HOLLEY

HOLLEY 558-430 Can Adapter- New Device to 2-Pin Main Harness

$60.23 $59.52
HLY558-430
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Data Transfer Cable Adapter - 2 Pin Harness to CAN - Each
HOLLEY 558-425 CAN Extension Harness 8ft Length Quick View
HOLLEY

HOLLEY 558-425 CAN Extension Harness 8ft Length

$97.54
HLY558-425
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each
HOLLEY 558-405 Trans Wire Harness GM 4L60 Pre 2009 - 4L80 Quick View
HOLLEY

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

$442.42
HLY558-405
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each
-0%
HOLLEY 558-431 Crank/Cam Ignition Harness Quick View
HOLLEY

HOLLEY 558-431 Crank/Cam Ignition Harness

$139.93 $139.41
HLY558-431
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator EFI - Universal - Kit
-1%
HOLLEY 558-326 LS Coil Ext. Harness 36in 2pk Quick View
HOLLEY

HOLLEY 558-326 LS Coil Ext. Harness 36in 2pk

$181.93 $178.91
HLY558-326
All Products HOLLEY Ignition Wiring Harnesses Ignitions and Electrical Wiring Harnesses
Ignition Wiring Harness - Coil Extension Harness - GM LS-Series - Pair
HOLLEY 558-409 Sealed USB Cable Quick View
HOLLEY

HOLLEY 558-409 Sealed USB Cable

$136.55
HLY558-409
All Products Computers, Chips, Modules and Programmers Data Cables HOLLEY Ignitions and Electrical
Data Transfer Cable - USB to Mini USB - Sealed - 7 ft Length - Holley EFI Kits - Each
-5%
HOLLEY 558-329 CD Box to Sniper 2 Quick View
HOLLEY

HOLLEY 558-329 CD Box to Sniper 2

$40.19 $38.15
HLY558-329
All Products HOLLEY Ignitions and Electrical Wiring Components Wiring Pigtails
Wiring Terminal - Sniper 2 EFI - Tach Input Ignition Adapter - Pigtail Included - CD Box to Sniper 2 EFI - Each
HOLLEY 558-404 J4 Connector & Harness Quick View
HOLLEY

HOLLEY 558-404 J4 Connector & Harness

$322.70
HLY558-404
All Products Fuel Injector Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each
-1%
HOLLEY 558-402 J2B Auxiliary Harness Kit Quick View
HOLLEY

HOLLEY 558-402 J2B Auxiliary Harness Kit

$251.93 $247.98
HLY558-402
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
-4%
HOLLEY 558-311 Hemi Coil Harness Late TYCO Quick View
HOLLEY

HOLLEY 558-311 Hemi Coil Harness Late TYCO

$279.93 $268.12
HLY558-311
All Products HOLLEY Ignition Wiring Harnesses Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Ignition Coil Wiring - Holley HP / Dominator EFI - Mopar Gen III Hemi - Each
-1%
HOLLEY 558-401 Auxiliary Harness J2A Connector Quick View
HOLLEY

HOLLEY 558-401 Auxiliary Harness J2A Connector

$327.53 $321.30
HLY558-401
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
-2%
HOLLEY 558-407 Multi Map Selector Quick View
HOLLEY

HOLLEY 558-407 Multi Map Selector

$247.73 $241.95
HLY558-407
All Products Electrical Switches and Components HOLLEY Ignitions and Electrical Wiring Components
ECM Calibration Select Switch - Key Selector - 4 Separate Maps - Holley Dominator EFI - Kit
-1%
HOLLEY 558-403 J3 Connector & Harness Quick View
HOLLEY

HOLLEY 558-403 J3 Connector & Harness

$251.93 $247.98
HLY558-403
All Products Fuel Injector Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each
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