These 36" LS coil extension harnesses extend the factory coil harness so ignition coils can be remote-mounted off the valve covers, cleaning up the look of the engine bay.
Specifications:
- Length: 36 inches, sold as a pair
- OEM-style connectors for a secure ECU-to-coil connection
- Techflex F6 braided wire loom for abrasion resistance
- (4) connectors, plug-and-play fitment
- Application: GM, LSX, universal
- Part Number: 558-326
FAQ
What does the 558-326 harness do?
It extends the factory LS ignition coil harness by 36" so the coils can be remote-mounted away from the valve covers.
How many connectors are included?
Four connectors, sold as a matched pair of harnesses.
What is the wire loom made of?
Techflex F6 braided wire loom for a clean look and abrasion resistance.
Is this plug-and-play?
Yes, it uses OEM-style connectors for plug-and-play fitment.

