Holley HP SMART COIL IGNITION HARNESS

The Holley HP SMART COIL IGNITION HARNESS is a high-quality ignition sub-harness designed for 8-cylinder engines. It provides a reliable connection between Holley HP Smart Coils and Holley LSx plug-and-play main harnesses, offering a seamless upgrade path from factory GM LSx coil harnesses.

Key Features

Includes a pair of coil harnesses for an 8 cylinder engine
Similar design to factory GM LSx coil harnesses
Compatible with Holley HP or Dominator ECUs

Fitment

Designed for 8-cylinder engines using Holley HP Smart Coils
Plugs into Holley LSx plug-and-play main harnesses

Note: For use with non-LSx main harnesses, purchase PN 558-307 for connectors, wiring, and terminals to connect directly to a Holley HP or Dominator ECU.