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Universal Efi Ignition Harness UN-TERMIN

Efi Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator Efi - Kit
HOLLEY  |  Part# HLY-558-306   More Details...

$127.95



Can ADAPTER- New Device to 2-PIN Main Ha

Can ADAPTER- New Device To 2-PIN Main Harness
HOLLEY  |  Part# HLY-558-430   More Details...

$23.43



CRANK/CAM Ignition Harness

Efi Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator Efi - Universal - Kit
HOLLEY  |  Part# HLY-558-431   More Details...

$65.62



Efi Wiring Harness Kit GM LS2/LS3/LS7

Efi Wiring Harness Kit GM LS2/LS3/LS7
HOLLEY  |  Part# HLY-558-502   More Details...

$613.95



Wiring Harness GM LS Engine

Engine Wiring Harness - Infinity - 58x - GM LS-SERIES - Kit
AEM  |  Part# AEM-30-3801   More Details...

$608.95



Dodge HEMI DRIVE-BY-WIRE Dual TB Harness

Wiring Harness - Drive by Wire Dual Throttle Body - Mopar Gen Iii HEMI - Each
HOLLEY  |  Part# HLY-558-450   More Details...

$223.95



Terminator Throttle Body Injector Harnes

Efi Wiring Harness - Upgrade - 205 LB/HR Injectors - Terminator Throttle Body Systems - Each
HOLLEY  |  Part# HLY-558-439   More Details...

$162.95



Dominator Efi DBW Harness - Early Truck

Efi Wiring Harness - Drive by Wire - Holley Dominator Efi - GM - Each
HOLLEY  |  Part# HLY-558-429   More Details...

$172.95



Map Sensor Adapter Ls1 & Ls2 to Ls3

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

$28.88



Main Harness 99-04 Ford Mod Motor W/SMAR

Engine Wiring Harness - Holley Smart Coils - Ford Modular - Kit
HOLLEY  |  Part# HLY-558-113   More Details...

$558.95