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
Brand: Holley EFI
-11%
$249.95
$281.95
Ford V8 Injector Harness for HP EFI & Dominator EFI
Brand: Holley EFI
-11%
$199.95
$224.95
An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors...
Brand: Holley EFI
-11%
$187.95
$211.95
An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors...
Brand: Holley EFI
-11%
$632.95
$712.95
This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank...