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What a hassle it would be to create your own ignition harness. Holley knows that, and that's why they offer a these pre-terminated ignition harnesses. Connects directly to the ignition connector on the main harness. Finished harnesses are available for a broad range of applications (HEI, GM LS1 or LS2, Ford TFI, and more) as well as universal coil-on-plug harnesses and unterminated ignition harnesses.
GM LS Engine Note: Don't see an injector harness for the LS? That's because the Holley LS main harnesses connect directly to the crank sensor, cam sensor, and the OE even and odd coil harnesses
Coil harness for 99-04 2 Valve Ford Modular (4.6 & 5.4L) Engines. ..
$239.95 $212.95
Coil Harness for 2011 to present Ford Coyote (5.0L) Engines. Choose the year range that matche..
$227.95 $201.95
This harness allows users with Ford TFI rotor to pick up the crank and cam timing directly from the ..
$130.95 $115.95
Chrysler has used two different coils on the HEMI engine series with 2006 being the year that the ch..
$194.95 $172.95
Chrysler has used two different coils on the HEMI engine series with 2006 being the year that the ch..
$204.95 $181.95
This harness allows users with GM's 1987-1995 small cap HEI rotor to pick up the crank and cam timin..
$61.95 $54.35
HP Smart Coil ignition sub-harness. Includes a pair of coil harnesses for an 8 cylinder engine. Thes..
$272.95 $241.95
Universal Coil On/Near Plug Harness – Use to connect Holley Smart Coil On Plug Kit 556-128 or factor..
$194.95 $172.95
This unterminated ignition harness allows you to build whatever unique ignition system you need and ..
$206.95 $183.95
Need to replace the coil harnesses on your GM LS engine? Or maybe you've secured a set of LS c..
$202.95 $179.95
If you are using a Holley Dual-Sync Distributor with your Sniper EFI System this adapter harness mak..
$48.36 $42.99
The new Holley HyperSpark was designed to work with the Sniper EFI System with no adapter. But..
$32.73 $35.82
Looking to wire your Holley Sniper and Holley Hyperspark ignition system? With only four flying lead..
$295.84 $268.95
ECU-controlled ignition timing control is far superior to standard mechanical and vacuum-based ignit..
$67.95 $60.29