Brand: Holley EFI
-11%
$41.97
$47.22
The Holley EFI Can Adapter/Power Harness adapts two pin Holley main harness CAN connectors to...
Brand: Holley EFI
-11%
$274.95
$309.95
LS MULTEC 2 INJECTOR HARNESS - EARLY TRUCK
Brand: Holley EFI
-11%
$19.72
$22.19
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one-stop...
Brand: Holley EFI
-11%
$312.95
$352.95
The Holley EFI Injector Driver Harness comes pre-terminated with a J2B connector, for plug and...
Brand: Holley EFI
-11%
$799.95
$899.95
Gen III HEMI Harness with TPS and Idle Air Control Connections. This wiring harness interfaces...
Brand: Holley EFI
-11%
$299.95
$337.95
Expanding our transmission control options for our EFI systems, this harness provides plug and play...
Brand: Holley EFI
-11%
$269.95
$303.95
Terminator X Max and Dominator EFI GM DBW Harness-Early Truck. Compatible with GM part number...
Brand: Holley EFI
-11%
$849.95
$956.95
This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI engine with...
Brand: Holley EFI
-11%
$178.95
$201.95
LSx Injector Harness for HP EFI, Dominator EFI and Terminator X.
Brand: Holley EFI
-11%
$212.95
$239.95
Universal 6 Cylinder Injector Harness for HP EFI & Dominator EFI
Brand: Holley EFI
-11%
$226.15
$254.95
Universal Unterminated Injector Harness for HP EFI & Dominator EFI(Bosch EV1 style).
Brand: Holley EFI
-11%
$275.95
$310.95
Drive-By-Wire harness for 2011-2017 Ford Coyote (5.0L) engines