Description
Reliable spark delivery is non-negotiable in high-performance engines, and the Moroso Ultra 40 Plug Wire Set delivers consistent ignition timing across all eight cylinders without compromise. The spiral core construction minimizes electromagnetic interference while the 8.65mm diameter provides optimal current flow, ensuring clean combustion and stable power delivery. Built for Small Block Ford applications, this kit eliminates the guesswork of custom fabrication with a complete, bolt-on solution.
- Moroso Ultra 40 system
- Spiral core design
- 8.65mm diameter
- Blue sleeved wires
- 135-degree plug boots
- HEI style terminal
- Small Block Ford fitment
- Complete 8-wire kit






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