Ultra 40 Plug Wire Set Sleeved

The Ultra 40 Plug Wire Set Sleeved by Moroso is designed for high-performance ignition systems, ensuring reliable spark delivery and effective thermal management. This product is ideal for enthusiasts building street machines, weekend racers, or restoring classic muscle cars, where quality plug wires are crucial for optimal engine performance.

Featuring a sleeved construction, the Ultra 40 wires protect individual wires from engine heat, vibration, and electromagnetic interference, which can lead to misfires and inconsistent combustion timing. The thermal and electromagnetic barrier provided by the sleeving helps maintain consistent voltage transfer to spark plugs across the full RPM range. Additionally, these wires utilize premium conductor materials and precision-crimped terminals, minimizing resistance and maximizing durability.

Mechanics and engine builders trust Moroso wire sets for a variety of applications, from naturally aspirated street builds to forced-induction platforms where ignition stability is paramount. The robust construction of the Ultra 40 wires ensures reliable performance, even under the demanding conditions of high-performance engines.