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J2b Auxiliary Harness Kit

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

$158.35



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



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...

$203.55



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



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



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...

$147.55



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



BENCH-TOP Efi Test Harness

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

$231.95



Flying Lead Main Harness

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

$382.95



Drive by Wire Harness GM

Efi Wiring Harness - Drive by Wire - Holley Dominator Efi - GM - Each
HOLLEY  |  Part# HLY-558-406   More Details...

$224.95