BUY NOW, PAY LATER. Starting at 0% APR 
Holley EFI LS Spark Plug Wire Set - Cut to Fit
$210.95
$182.95
GVMR_561-115
Ignition
Ignition Wire and Related Components
Spark Plug Wire Set
Holley EFI Universal "Cut-to-Fit" spark plug wire sets for GM Ls Engines come with the spark plug terminal and boot installed with the Coil...
Spark Plug Wire Set
$182.95
$158.95
GVMR_561-100
Ignition
Ignition Wire and Related Components
Spark Plug Wire Set
Spark Plug Wire set, Black with Black 45 degree boots designed for 2010-15 Camaro SS with a 6.2L V8 and shorty headers
Spark Plug Wire Set
$168.95
$149.95
GVMR_561-102
Ignition
Ignition Wire and Related Components
Spark Plug Wire Set
Spark Plug Wire set, Red with Grey 45 degree boots designed for 2010-15 Camaro SS with a 6.2L V8 and shorty headers
Holley EFI LS Spark Plug Wire Set - Cut to Fit
$215.95
$187.95
GVMR_561-110
Ignition
Ignition Wire and Related Components
Spark Plug Wire Set
Holley EFI Universal "Cut-to-Fit" spark plug wire sets for GM Ls Engines come with the spark plug terminal and boot installed with the Coil...
Holley EFI LS Spark Plug Wire Set - Cut to Fit
$230.95
$199.95
GVMR_561-113
Ignition
Ignition Wire and Related Components
Spark Plug Wire Set
Holley EFI Universal "Cut-to-Fit" spark plug wire sets for GM Ls Engines come with the spark plug terminal and boot installed with the Coil...
Firmware Updating - Dash Configuration - ECU Testing
$266.95
$231.95
GVMR_558-127
Ignition
Ignition Harness
Ignition Wire and Related Components
Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or...
Ford Coyote Ti-VCT Coil Harness (2015.5-2017)
$281.95
$249.95
GVMR_558-322
Ignition
Ignition Coil Assembly Wiring Harness
Ignition Wire and Related Components
Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is...
99-04 2 Valve Ford Modular Coil Harness, For HP EFI & Dominator EFI
$266.95
$231.95
GVMR_558-314
Ignition
Ignition Harness
Ignition Wire and Related Components
99-04 2 Valve Ford Modular Coil Harness, For HP EFI & Dominator EFI
Tach Input Ignition Adapter
$27.28
$23.66
GVMR_558-302
Best Sellers
Ignition
Ignition Harness
Ignition Wire and Related Components
This is only used on applications using a CD Box, such as an MSD 6AL, while not using timing control.
For Dominator, HP, Terminator X and Terminator X Max
$147.95
$127.95
GVMR_558-400
Ignition
Ignition Harness
Ignition Wire and Related Components
This harness connects to the (8) pin Metri-Pack Input/Output connector located in most Holley EFI main harnesses.
Dominator EFI Connector J2A Auxiliary Harness
$263.95
$228.95
GVMR_558-401
Ignition
Ignition Harness
Ignition Wire and Related Components
Used when adding a second wide band oxygen sensor to a Dominator EFI installation.
Dominator EFI Connector J2B Auxiliary Harness
$202.95
$175.95
GVMR_558-402
Ignition
Ignition Harness
Ignition Wire and Related Components
Dominator EFI Connector J2B Auxiliary Harness
