Description
Reliable ignition is non-negotiable in high-performance applications, and inferior plug wires will cost you consistency and power delivery. The Moroso Ultra 40 Plug Wire Set delivers low-resistance spiral core construction that minimizes voltage drop, ensuring crisp spark timing across the RPM range. Whether you’re tuning a street engine or pushing a race motor to the limit, these cut-to-fit wires provide the electrical integrity your V8 demands.
- Spiral core design
- 8.65 mm diameter
- Ultra 40 specification
- 135-degree plug boots
- HEI / socket style
- Cut-to-fit configuration
- V8 application
- Complete wire kit
- Black finish
- Moroso part #73816






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