Ultra 40 Plug Wire Set GM LS - Blue

The Ultra 40 Plug Wire Set GM LS in Blue by Moroso is designed for LS-platform engine builders and street performance enthusiasts who require reliable spark delivery in both modified and stock applications. This ignition wire set is essential for those running various LS engines, from naturally aspirated LS1s in classic Chevys to turbocharged LSx swaps in custom hot rods.

Moroso's Ultra 40 designation indicates a proven design and high-quality construction specifically tailored for GM's LS engine family. The wire set features advanced construction technology that minimizes electromagnetic interference and ensures consistent spark voltage across the entire rev range. This design is crucial for maintaining engine performance, especially under high RPMs or boost conditions.

Engine builders and performance enthusiasts will benefit from the precise length matching of the wires, which prevents inductive cross-firing and enhances combustion efficiency. The blue color serves as a visual performance indicator and a hallmark of Moroso's brand identity, making these wires easily recognizable in any engine bay.