Moroso 73681 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 for high-performance and racing applications. This premium spark plug wire set features a sophisticated multi-layer design that provides superior conductivity while offering exceptional resistance to heat, EMI interference, and engine bay conditions.

Advanced Construction Features:

• Kevlar Center Core: Provides exceptional tensile strength and durability under extreme conditions
• Ferrite Impregnated Core: Suppresses electromagnetic interference (EMI) for clean signal transmission
• Nickel Copper Alloy Conductor: Delivers excellent electrical conductivity with minimal resistance
• Conductive Polymer Coating: Enhances current flow and protects internal components
• Silicone Jacket: Guards against heat damage, chemicals, and abrasion in harsh engine environments
• High Temperature Silicone Boots: Withstand extreme heat without cracking or degrading
• Locking Stainless Steel Terminals: Ensure secure, vibration-resistant connections that won't pull loose
• Fold Over Crimping: Professional-grade terminal attachment for maximum reliability

The Ultra 40 series represents Moroso's commitment to race-proven ignition technology, combining low resistance with superior EMI suppression. Custom fit design ensures proper routing and OE-quality fitment for a clean, professional installation.