Ignition & Electrical

Holley Sniper EFI HyperSpark Ignition Coil  556-152 Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is best? Introducing HyperSpark Ignition, from Sniper EFI. The complete system...

Holley EFI LS Coil Ignition Harness 558-321 Factory replacement coil harness for stock LS coils, does not fit LS1 or LS6 Coils.   Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new Holley EFI LS Coil Sub...

Holley EFI GM 2007+ PWM Alternator Harness 558-475 For use with 2007+ PWM GM Alternators Plug and play Holley EFI alternator harnesses for late model engines with Pulse Width Modulated alternators. This includes most 2007+ GM engines and most 2005+...

Holley LS Cut to Fit Spark Plug Wire Set - Red 561-112 Spark Plug - Cut to Fit- Wire set, Red with Gray 180 degree boots designed for GM LS Engines (For OE Coil)  Holley EFI Universal “Cut-to-Fit” spark plug wire sets for GM Ls Engines...

Holley LS Cut to Fit Spark Plug Wire Set 561-110 Spark Plug - Cut to Fit- Wire set, Black with Black 180 degree boots designed for GM LS Engines (For OE Coil)  Holley EFI Universal “Cut-to-Fit” spark plug wire sets for GM Ls Engines...

Holley Spark Plug Wire Set for 6.2L 561-102 - Red 8mm Plug wire set for 2010-2015 Camaro SS 6.2L w/ shorty headers. Also available in black and grey.

Holley Spark Plug Wire Set for 6.2L 561-100 - Black 8mm Plug wire set for 2010-2015 Camaro SS 6.2L w/ shorty headers. Also available in red and grey.

Holley Universal Coil On Plug Harness Holley Universal Coil On Plug Harness is used to connect Holley HP Smart Coil Ignition Harness 558-312 or factory LSX coil harness to Holley HP or Dominator ECU's.  

Holley HP Smart Coil Ignition Harness 558-312 Holley HP Smart Coil ignition harness includes a pair of coil harnesses for 8-cylinder engines. It is used in conjuction with the Holley LSX plug and play main harness for converting from factory LSX coils...

Holley Smart Coil 556-112 - Coil-Near-Plug The Holley Smart Coil was designed to be used with Holley HP and Dominator ECU's but works great with other EFI Systems setup for using smart ignition coils. This coil can be used in all out race applications...