The Chevrolet Performance ignition wiring harness connects the ignition system to the coil packs on GM LS-Series engines. It is a service replacement harness.
Specifications:
- Ignition Wiring Harness
- Ignition to Coil Pack
- GM LS-Series
- Part number: 12579355
Applications:
- GM LS-Series engines
FAQ
What does this harness connect?
It routes wiring from the ignition system to the coil packs on GM LS-Series engines.
What engines does it fit?
It is a service replacement ignition to coil pack harness for GM LS-Series engines.
Is this a complete engine harness?
No. It is the ignition to coil pack section, not a full engine wiring harness.

