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HLY-558-401 #1

Auxiliary Harness J2a Connector

Efi Wiring Harness - J2a Auxiliary Connector Harness - Holley Dominator Efi - Universal - Kit
HOLLEY  |  Part# HLY-558-401   More Details...

$206.05


HLY-558-400 #1

J1A/B INPUT/OUTPUT Connector

Efi Wiring Harness - J1A/B - Holley Dominator Efi - Each
HOLLEY  |  Part# HLY-558-400   More Details...

$115.15


HLY-558-308 #1

Efi Main Power Harness

Efi Wiring Harness - Main Power - Holley Dominator Efi - Each
HOLLEY  |  Part# HLY-558-308   More Details...

$94.45


HLY-558-212 #1

Injector Harness - Ford USCAR/EV6 Style

Efi Wiring Harness - Ev6 / Uscar Style Injectors - Holley Efi - Small Block Ford - Each
HOLLEY  |  Part# HLY-558-212   More Details...

$175.45


HLY-558-108 #1

Main Harness 99-04 Ford Modular Engine

Efi Wiring Harness - Terminated Main Harness - Ford Modular 1999-2004 - Kit
HOLLEY  |  Part# HLY-558-108   More Details...

$718.95


HLY-558-191 #1

Sniper 2 Main Harness W/FUEL Pump Relay

Efi Wiring Harness - Main Battery Harness - Fuel Pump Relay - Sniper 2 Efi - Power Distribution Module - Each
HOLLEY  |  Part# HLY-558-191   More Details...

$191.65


HLY-558-190 #1

Sniper 2 Main Harness For PDM

Efi Wiring Harness - Main Battery Harness - Sniper 2 Efi - Power Distribution Module - Each
HOLLEY  |  Part# HLY-558-190   More Details...

$131.35


HLY-558-128 #1

Engine Main Harness Ford 5.0L/5.8L

Engine Wiring Harness - PLUG-AND-PLAY - Small Block Ford - Each
HOLLEY  |  Part# HLY-558-128   More Details...

$493.95


HLY-558-127 #1

BENCH-TOP Efi Test Harness

Wiring Harness - Bench Top Test - Holley Efi - Each
HOLLEY  |  Part# HLY-558-127   More Details...

$231.95


HLY-558-126 #1

Flying Lead Main Harness

Ignition Wiring Harness - Flying Lead - 15 FT Long - Crimped - Universal - Kit
HOLLEY  |  Part# HLY-558-126   More Details...

$382.95