Moroso 73664 Ultra 40 Custom Fit Performance Ignition Wire Set

The Moroso Ultra 40 Custom Fit Wire Set delivers premium ignition performance with advanced construction designed for high-performance and racing applications. These custom-fit spark plug wires feature professional-grade materials and precision engineering to ensure reliable spark delivery under extreme conditions.

Advanced Construction Features:

• Locking Stainless Steel Terminals: Secure connection prevents accidental disconnection during high vibration operation
• Nickel Copper Alloy Conductor: Superior conductivity with excellent resistance to heat and corrosion
• Ferrite Impregnated Core: Suppresses electromagnetic interference (EMI) while maintaining optimal spark energy
• Kevlar Center Core: Provides exceptional tensile strength and durability
• Conductive Polymer Coating: Enhanced spark delivery with reduced resistance
• High Temperature Silicone Jacket and Boots: Protects against extreme engine bay heat, oil, and chemicals
• Fold Over Crimping: Professional terminal attachment ensures maximum conductivity and pull strength

These custom-fit wire sets are designed to provide exact OEM-like routing while delivering superior performance characteristics. The Ultra 40 series combines race-proven technology with reliable daily driver durability, making them ideal for street performance, off-road, and competition applications.