The MOROSO Ultra 40 Spark Plug Wire Set (Part Number 73728) is engineered for high-performance Big Block Chevy engines, providing reliable ignition system connectivity. Designed with an 8.65 mm spiral core conductor, these wires deliver exceptional electrical suppression and durability under demanding conditions. The set features black insulation for a sleek appearance and includes 135-degree plug boots that ensure a secure fit, reducing arcing and misfires. Compatible with HEI style terminals, the wires are suitable for a variety of performance applications and are easy to install with their precise fit and quality construction. This kit is ideal for enthusiasts seeking to optimize their engine’s ignition system with quality components that withstand high temperatures and vibration. Whether for street performance or racing, the Ultra 40 wires offer consistent spark delivery, improved throttle response, and enhanced overall engine efficiency, making them a valuable upgrade for your Big Block Chevy engine.
Features:
- Spiral core design for superior electrical suppression
- 8.65 mm diameter for optimal conductivity and durability
- 135-degree plug boots provide a secure, weather-resistant connection
- HEI style terminals ensure compatibility with a wide range of ignition setups
- Black insulation offers a professional look and resistance to heat and abrasion