Description
Reliable spark delivery is non-negotiable in high-performance racing, and the Moroso Ultra 40 Plug Wire Set eliminates the guesswork with race-proven construction designed specifically for LS-series engines. The spiral core design minimizes electromagnetic interference while the 7mm diameter provides optimal voltage transfer under sustained high RPM conditions. Whether you’re tuning a street machine or competing on the track, this complete kit delivers the electrical consistency your ignition system demands.
- Spiral core construction
- 7mm wire diameter
- 45-degree plug boots
- HEI/socket style connectors
- GM LS-series specific
- Complete wire set kit
- Black with protective sleeves
- Ultra 40 race-grade
- Bolt-on installation






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