Moroso 73684 Ultra Custom Fit Spark Plug Wire Set - 40

The Moroso Ultra 40 Custom Fit Wire Set delivers professional-grade ignition performance with advanced materials engineered to withstand extreme racing conditions. This high-performance spark plug wire set features a sophisticated multi-layer construction designed to minimize EMI/RFI interference while maximizing spark energy delivery.

Advanced Construction Features:

• Kevlar Center Core: Provides exceptional tensile strength and durability under extreme vibration and heat
• Ferrite Impregnated Core: Suppresses electromagnetic interference for clean ignition signal transmission
• Nickel Copper Alloy Conductor: Delivers superior conductivity with minimal resistance for maximum spark energy
• Conductive Polymer Coating: Adds an additional layer of EMI/RFI suppression
• High-Temperature Silicone Jacket: Protects against heat, chemicals, and abrasion in demanding engine environments
• High-Temperature Silicone Boots: Maintain seal integrity and resist cracking even in extreme temperatures
• Locking Stainless Steel Terminals: Ensure positive, vibration-resistant connections at both spark plug and distributor/coil
• Fold-Over Crimping: Creates a secure, low-resistance connection between terminal and conductor

Custom fit design ensures proper routing and length for a clean, professional installation. Ideal for street performance, racing, and high-output ignition systems where reliability and EMI suppression are critical.