Description
Reliable spark delivery is non-negotiable in high-performance racing applications, and the 409 Spiro-Pro Plug Wire Race Set delivers consistent, clean ignition timing cycle after cycle. Designed specifically for GM LS-series engines, this kit eliminates the weak points of factory wiring with a robust spiral core construction that resists electrical noise and heat degradation. Whether you’re running a naturally aspirated build or forced induction setup, these wires maintain signal integrity under sustained RPM and extreme underhood temperatures.
- Spark plug wire set
- 409 Pro Race grade
- Spiral core design
- 10.4 mm diameter
- Blue finish
- Factory-style boots
- Factory-style terminals
- GM LS-series fitment
- Complete kit
- Bolt-on installation
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