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

$35.99

Add to Cart

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...

$569.99

Add to Cart

Efi Wiring Harness - Main Harness - Holley HP / Dominator Efi - 24x Reluctor Wheel - Ls1 / Ls6 - GM LS-SERIES - Eac...
HOLLEY  |  Part# HLY-558-102   More Details...

$569.99

Add to Cart

Efi Wiring Harness - Mpfi Main Harness - Holley HP / Dominator Efi - Universal - Each
HOLLEY  |  Part# HLY-558-104   More Details...

$474.99

Add to Cart

Efi Wiring Harness - Extra Length - GM LS-SERIES 2003-06 - Kit
PAINLESS  |  Part# PWI-60218   More Details...

$689.99

Out of Stock (call for availability)

Wiring Harness - Xfi - Can Retrofit - Universal - Each
FAST ELECTRONICS  |  Part# FST-301412   More Details...

$39.99

Out of Stock (call for availability)

Efi Wiring Harness - Main Harness - F.a.s.t Xfi / Xfi 2.0 - Carburetor Conversions / GM LT-SERIES - Kit
FAST ELECTRONICS  |  Part# FST-301101   More Details...

$369.99

Out of Stock (call for availability)

Injector Harness Ford V8
HOLLEY  |  Part# HLY-558-209   More Details...

$99,999.99

Out of Stock (call for availability)

Efi Wiring Harness - Main Harness - Flying Leads - Weatherpack Connectors - Unassembled - F.a.s.t Xfi / Xfi 2.0 - U...
FAST ELECTRONICS  |  Part# FST-301105   More Details...

$394.99

Out of Stock (call for availability)

Injector Harness - Ford USCAR/EV6 Style Injector
HOLLEY  |  Part# HLY-558-212   More Details...

$154.99

Out of Stock (call for availability)