HOLLEY Adapter Harness Wideband Terminator-X

Wiring Harness Adapter - Terminator X - Wideband - Each

HOLLEY Pro-Dash Harness Un-terminated IO

Dash Wiring Harness - Pins / Plugs / Wires Included - Kit

HOLLEY CAN Adapter Harness 4ft Male to Female

CAN Wiring Harness - Male To Female Adapter - 4 ft Long - Black Rubber Coated - Each

HOLLEY Sniper EFI CAN to USB Dongle-Com. Cable

Data Transfer Cable - USB to CAN - 8 ft - Black - Sniper / Terminator X EFI - Each

HOLLEY Sealed USB Cable - 15ft

Data Transfer Cable - USB to Mini USB - Sealed - 15 ft Length - Holley EFI Kits - Each

HOLLEY Wiring Harness - EFI Digital Dash I/O Adapter

Gauge Wiring Harness - EFI Digital Dash - Kit

HOLLEY I/O Adapter for Digital Dash

Digital Dash Wiring Harness - Input/Output Extender - Holley Digital Dash - Kit

HOLLEY Crank/Cam Ignition Harness

EFI Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator EFI - Universal - Kit

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

Data Transfer Cable Adapter - 2 Pin Harness to CAN - Each

HOLLEY Dominator EFI DBW Harness - Early Truck

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

HOLLEY CAN Extension Harness 9in Length

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

HOLLEY Can Extension Harness 12ft

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

HOLLEY CAN Extension Harness 8ft Length

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

HOLLEY Wire Harness Kit - EFI Terminator I/O

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

HOLLEY Map Sensor Adapter LS1 & LS2 to LS3

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

HOLLEY Sealed USB Cable

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

HOLLEY Connector & Pin Kit J2A/J2B/J3/J4

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

HOLLEY Multi Map Selector

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

HOLLEY Drive By Wire Harness GM

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

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

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

HOLLEY J4 Connector & Harness

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

HOLLEY J3 Connector & Harness

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

HOLLEY J2B Auxiliary Harness Kit

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

HOLLEY Auxiliary Harness J2A Connector

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

HOLLEY J1A/B Input/Output Connector

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

HOLLEY CD Box to Sniper 2

Wiring Terminal - Sniper 2 EFI - Tach Input Ignition Adapter - Pigtail Included - CD Box to Sniper 2 EFI - Each

HOLLEY EFI Pro-Billet Ignition Adapter

EFI Wiring Harness - Ignition Adapter Harness - MSD Distributors to Holley EFI - Each

HOLLEY Wiring Harness Adapter Hyperspark Ignition

EFI Wiring Harness - Ignition Adapter Harness - HyperSpark Distributors to Holley EFI - Each

HOLLEY GM LS Coil Sub Harnesses

Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair

HOLLEY Coil-Near-Plug Sub Harness - Big Wire

Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each