Shop for Engine Wiring Harnesses ::

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J1 A/B I/O Connector HP & Dom

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

$135.95

Main Power Harness For Avenger, Efi, HP

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

$110.95

Can Extension Harness, 9IN

Can Wiring Harness - Extension Harness - 9 In Long - Black Rubber Coated - Each
HOLLEY | Part# HLY-558-428 More Details...

$56.25

Injector Harness, Ford, Uscar, Evenly SP

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

$207.95

Univ. Unterminated Inj Harness

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

$239.95

Gen 3 HEMI VVT & SRV Sub Harness

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

$173.95

Ford Foxbody 5.0l Main Harness

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

$584.95

Benchtop Efi Harness

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

$249.95

Flying Lead Main Harness

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

$449.95

Ls2 Main Harness

Efi Wiring Harness - Main Harness - Holley HP / Dominator Efi - 58x Reluctor Wheel - Ls2 / Ls3 / Ls7 - GM LS-SERIES...
HOLLEY | Part# HLY-558-103 More Details...

$675.95