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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...

$425.95


HLY-558-405 #1

Trans Wire Harness GM 4l60 Pre 2009 - 4l

Efi Wiring Harness - Transmission - Holley Dominator Efi - GM 4l60e / 4l80e - Each
HOLLEY  |  Part# HLY-558-405   More Details...

$299.95


HLY-558-402 #1

J2b Auxiliary Harness Kit

Efi Wiring Harness - J2b Auxiliary Connector Harness - Holley Dominator Efi - Universal - Kit
HOLLEY  |  Part# HLY-558-402   More Details...

$175.95


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...

$127.95


HLY-558-308 #1

Efi Main Power Harness

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

$104.95


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...

$194.95


HLY-558-204 #1

Efi Injector Harness - Universal Untermi

Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator Efi - Kit
HOLLEY  |  Part# HLY-558-204   More Details...

$226.15


HLY-558-132 #1

SUB-HARNESS Mopar GEN-3 HEMI VVT & SRV

Efi Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen Iii HEMI - Each
HOLLEY  |  Part# HLY-558-132   More Details...

$163.95


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...

$549.95


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