Efi Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP/DOMINATOR Efi - Universal - Each
HOLLEY  |  Part# HLY-558-312   More Details...

$299.95

Add to Cart

Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each
HOLLEY  |  Part# HLY-558-318   More Details...

$304.95

Add to Cart

GM LS Coil Sub Harnesses
HOLLEY  |  Part# HLY-558-321   More Details...

$207.95

Add to Cart

Wiring Harness Adapter Hyperspark Ignition
HOLLEY  |  Part# HLY-558-323   More Details...

$54.95

Add to Cart

Efi PRO-BILLET Ignition Adapter
HOLLEY  |  Part# HLY-558-325   More Details...

$46.31

Add to Cart

LS Coil Ext. Harness 36IN 2pk
HOLLEY  |  Part# HLY-558-326   More Details...

$134.95

Add to Cart

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

$135.95

Add to Cart

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

$242.95

Add to Cart

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

$186.95

Add to Cart

J3 Connector & Harness
HOLLEY  |  Part# HLY-558-403   More Details...

$186.95

Add to Cart