Your Source for All Things Racing
×

(866) 749-2435

About Contact Blog
Wish Lists
0 My Cart

Your cart is currently empty.

Continue shopping
Total: $0.00
View cart
Toggle menu
0

Ignitions and Electrical

× Close
New
Sold out
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

$377.93
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
New
HOLLEY 558-438 Sealed USB Cable - 15ft Quick View
HOLLEY

HOLLEY 558-438 Sealed USB Cable - 15ft

$197.29
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
New
HOLLEY 558-456 Pro-Dash Harness Un-terminated IO Quick View
HOLLEY

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

$417.00
HLY558-456
All Products Dash Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Dash Wiring Harness - Pins / Plugs / Wires Included - Kit
New
HOLLEY 558-432 I/O Adapter for Digital Dash Quick View
HOLLEY

HOLLEY 558-432 I/O Adapter for Digital Dash

$237.66
HLY558-432
All Products Dash Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Digital Dash Wiring Harness - Input/Output Extender - Holley Digital Dash - Kit
New
HOLLEY 558-426 Can Extension Harness 12ft Quick View
HOLLEY

HOLLEY 558-426 Can Extension Harness 12ft

$118.20
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
New
HOLLEY 558-406 Drive By Wire Harness GM Quick View
HOLLEY

HOLLEY 558-406 Drive By Wire Harness GM

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

HOLLEY 558-463 Adapter Harness Wideband Terminator-X

$88.37
HLY558-463
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Wiring Harness Adapter - Terminator X - Wideband - Each
New
HOLLEY 558-420 Wire Harness Kit - EFI Terminator I/O Quick View
HOLLEY

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

$73.77
HLY558-420
All Products Fuel Injector Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each
New
HOLLEY 558-416 Map Sensor Adapter LS1 & LS2 to LS3 Quick View
HOLLEY

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

$60.12
HLY558-416
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each
New
HOLLEY 558-428 CAN Extension Harness 9in Length Quick View
HOLLEY

HOLLEY 558-428 CAN Extension Harness 9in Length

$78.78
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
New
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

$112.69
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
New
HOLLEY 558-429 Dominator EFI DBW Harness - Early Truck Quick View
HOLLEY

HOLLEY 558-429 Dominator EFI DBW Harness - Early Truck

$377.93
HLY558-429
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each
New
HOLLEY 558-400 J1A/B Input/Output Connector Quick View
HOLLEY

HOLLEY 558-400 J1A/B Input/Output Connector

$191.32
HLY558-400
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each
New
HOLLEY 558-408 Connector & Pin Kit J2A/J2B/J3/J4 Quick View
HOLLEY

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

$327.49
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
New
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

$58.76
HLY558-430
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Data Transfer Cable Adapter - 2 Pin Harness to CAN - Each
New
HOLLEY 558-425 CAN Extension Harness 8ft Length Quick View
HOLLEY

HOLLEY 558-425 CAN Extension Harness 8ft Length

$98.46
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
New
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

$446.61
HLY558-405
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each
New
HOLLEY 558-431 Crank/Cam Ignition Harness Quick View
HOLLEY

HOLLEY 558-431 Crank/Cam Ignition Harness

$139.93
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
New
HOLLEY 558-326 LS Coil Ext. Harness 36in 2pk Quick View
HOLLEY

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

$177.73
HLY558-326
All Products HOLLEY Ignition Wiring Harnesses Ignitions and Electrical Wiring Harnesses
Ignition Wiring Harness - Coil Extension Harness - GM LS-Series - Pair
New
HOLLEY 558-409 Sealed USB Cable Quick View
HOLLEY

HOLLEY 558-409 Sealed USB Cable

$137.84
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
New
HOLLEY 558-329 CD Box to Sniper 2 Quick View
HOLLEY

HOLLEY 558-329 CD Box to Sniper 2

$41.16
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
-19%
New
HOLLEY 558-404 J4 Connector & Harness Quick View
HOLLEY

HOLLEY 558-404 J4 Connector & Harness

$393.66 $314.93
HLY558-404
All Products Fuel Injector Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each
New
HOLLEY 558-402 J2B Auxiliary Harness Kit Quick View
HOLLEY

HOLLEY 558-402 J2B Auxiliary Harness Kit

$246.33
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
New
HOLLEY 558-311 Hemi Coil Harness Late TYCO Quick View
HOLLEY

HOLLEY 558-311 Hemi Coil Harness Late TYCO

$279.93
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
New
HOLLEY 558-401 Auxiliary Harness J2A Connector Quick View
HOLLEY

HOLLEY 558-401 Auxiliary Harness J2A Connector

$320.53
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
New
HOLLEY 558-407 Multi Map Selector Quick View
HOLLEY

HOLLEY 558-407 Multi Map Selector

$242.13
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
New
HOLLEY 558-403 J3 Connector & Harness Quick View
HOLLEY

HOLLEY 558-403 J3 Connector & Harness

$246.33
HLY558-403
All Products Fuel Injector Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each
New
Quick View
HOLLEY

HOLLEY 558-330 Pro Billet/Crank Trigger to Sniper 2

$54.94
HLY558-330
All Products HOLLEY Ignitions and Electrical Wiring Components Wiring Pigtails
Wiring Terminal - Sniper 2 EFI - Tach Input Ignition Adapter - Crank Trigger Magnetic Input to Sniper 2 EFI - Each
-19%
New
HOLLEY 558-325 EFI Pro-Billet Ignition Adapter Quick View
HOLLEY

HOLLEY 558-325 EFI Pro-Billet Ignition Adapter

$69.11 $55.29
HLY558-325
All Products HOLLEY Ignition Wiring Harnesses Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Ignition Adapter Harness - MSD Distributors to Holley EFI - Each
New
HOLLEY 558-321 GM LS Coil Sub Harnesses Quick View
HOLLEY

HOLLEY 558-321 GM LS Coil Sub Harnesses

$279.93
HLY558-321
All Products HOLLEY Ignition Wiring Harnesses Ignitions and Electrical Wiring Harnesses
Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair
New
HOLLEY 558-305 Ford TFI Ignition Harness Quick View
HOLLEY

HOLLEY 558-305 Ford TFI Ignition Harness

$188.33
HLY558-305
All Products HOLLEY Ignition Wiring Harnesses Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each
New
HOLLEY 558-308 EFI Main Power Harness Quick View
HOLLEY

HOLLEY 558-308 EFI Main Power Harness

$156.92
HLY558-308
All Products Engine Wiring Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Main Power - Holley Dominator EFI - Each
New
HOLLEY 558-219 Harness Injector Driver Module Quick View
HOLLEY

HOLLEY 558-219 Harness Injector Driver Module

$458.13
HLY558-219
All Products Fuel Injector Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - J2B Plug to Dominator ECU Module - Universal - Each
New
HOLLEY 558-201 Injector Wiring Harness V8 EV6 Style Injectors Quick View
HOLLEY

HOLLEY 558-201 Injector Wiring Harness V8 EV6 Style Injectors

$267.56
HLY558-201
All Products Fuel Injector Harnesses HOLLEY Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - EV6 Style Injectors - Holley Dominator EFI - Each
New
HOLLEY 558-304 HEI Ignition Harness Quick View
HOLLEY

HOLLEY 558-304 HEI Ignition Harness

$88.58
HLY558-304
All Products HOLLEY Ignition Wiring Harnesses Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each
New
HOLLEY 558-323 Wiring Harness Adapter Hyperspark Ignition Quick View
HOLLEY

HOLLEY 558-323 Wiring Harness Adapter Hyperspark Ignition

$64.53
HLY558-323
All Products HOLLEY Ignition Wiring Harnesses Ignitions and Electrical Wiring Harnesses
EFI Wiring Harness - Ignition Adapter Harness - HyperSpark Distributors to Holley EFI - Each
Show More
Items 4501 to 4536 of 6354 total
compare
We use cookies to improve your experience on our website. Read about how we use cookies in our Privacy Policy. By browsing this website, you agree to our use of cookies. privacy policy
accept

Your cart

×