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HLY-558-308 #1

Efi Main Power Harness

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

$104.95


HLY-558-400 #1

J1A/B INPUT/OUTPUT Connector

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

$127.95


HLY-558-401 #1

Auxiliary Harness J2a Connector

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

$228.95


HLY-558-402 #1

J2b Auxiliary Harness Kit

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

$175.95


HLY-558-405 #1

Trans Wire Harness GM 4l60 Pre 2009 - 4l

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

$299.95


HLY-558-406 #1

Drive by Wire Harness GM

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

$249.95


HLY-558-416 #1

Map Sensor Adapter Ls1 & Ls2 to Ls3

Wiring Harness Adapter - LS Main Harness To Ls3 Map Sensor - Each
HOLLEY PERFORMANCE  |  Part# HLY-558-416   More Details...

$40.21


HLY-558-425 #1

Can Extension Harness 8ft Length

Can Wiring Harness - Extension Harness - 8 FT Long - Black Rubber Coated - Each
HOLLEY PERFORMANCE  |  Part# HLY-558-425   More Details...

$65.85


HLY-558-426 #1

Can Extension Harness 12ft

Can Wiring Harness - Extension Harness - 12 FT Long - Black Rubber Coated - Each
HOLLEY PERFORMANCE  |  Part# HLY-558-426   More Details...

$79.05


HLY-558-428 #1

Can Extension Harness 9IN Length

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

$52.69