Description
Poor spark plug wires rob your engine of efficiency before combustion even begins. The Ford Performance 9mm wire set eliminates resistance losses with spiral core construction and high-temperature silicone insulation, delivering consistent spark energy to all eight cylinders. If you’re running a small block Ford 5.0 or 5.8L and want reliable ignition performance without guesswork, pre-numbered wires and factory fitment make this a straightforward upgrade.
- Wire diameter: 9mm
- Color: Black
- Boot angle: 45-degree
- Terminal type: HEI style
- Spiral core construction
- High-temperature silicone insulation
- Stainless steel terminals
- Fuel and oil resistant
- Pre-numbered for installation
- Includes coil wire
- Fits: Small Block Ford 5.0L/5.8L V8
- MPN: M-12259-M301






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