Moroso 73706 Ultra 40 Unsleeved Spark Plug Wire Set Chevy Small Block

The Moroso Ultra 40 unsleeved custom-fit ignition wire set delivers race-proven performance for racers on a budget, offering powerful spark energy transfer with excellent RFI/EMI resistance. This complete 8.65mm wire set is designed for Chevrolet Small Block engines and comes ready to install with all wires properly sized and labeled for each cylinder.

Key Features:

• Kevlar core construction is four times stronger than standard aramid cores for exceptional durability
• Class-leading 40 ohms of resistance per foot provides optimal spark suppression
• Nickel copper alloy spiral-wound conductors ensure superior spark energy transfer
• Extra-thick EPDM layer delivers greater dielectric strength for consistent performance
• Closely woven fiberglass with silicone-impregnated insulation provides up to 8,000 extra volts of protection
• High-temperature silicone boots withstand heat up to 600 degrees Fahrenheit
• Locking stainless steel plug terminals ensure secure connections

This unsleeved version offers a cost-effective alternative to sleeved race wires while maintaining the same high-performance core technology. The 8.65mm diameter construction provides excellent protection against electromagnetic interference, making these wires ideal for both street performance and racing applications where heat sleeving is not required.