Moroso 73662 Ultra Custom Fit Spark Plug Wire Set - 40

The Moroso Ultra 40 Custom Fit Wire Set delivers premium ignition performance with advanced multi-layer construction designed for high-performance and racing applications. This professional-grade spark plug wire set features a sophisticated spiral-wound conductor system that provides excellent EMI/RFI suppression while ensuring consistent spark delivery.

Advanced Construction Features:

• Kevlar center core provides exceptional tensile strength and durability
• Nickel copper alloy conductor for superior electrical conductivity and low resistance
• Ferrite impregnated core effectively suppresses electromagnetic interference
• Conductive polymer coating ensures consistent electrical properties
• Premium silicone jacket protects against extreme heat, chemicals, and abrasion
• High temperature silicone boots withstand under-hood temperatures
• Locking stainless steel terminals prevent pull-off and ensure positive connection
• Fold-over crimping method creates secure, low-resistance terminal connections

The Ultra 40 series is custom-fitted for specific applications, providing proper routing and professional appearance. The silicone construction offers flexibility in cold weather while maintaining integrity in high-heat environments, making these wires ideal for street performance, marine, and racing applications.