Moroso 73687 Ultra Custom Fit Spark Plug Wire Set - 40

The Moroso Ultra 40 Custom Fit Wire Set delivers premium ignition performance with advanced materials engineered for high-performance and racing applications. This professional-grade spark plug wire set features a sophisticated multi-layer construction designed to provide superior spark energy delivery while resisting heat, EMI interference, and voltage leakage.

Advanced Construction Features:

• Locking Stainless Steel Terminals - Secure connection that won't pull apart under vibration or high-heat conditions
• Nickel Copper Alloy Conductor - Low-resistance core for maximum spark energy transmission
• Ferrite Impregnated Core - Suppresses electromagnetic interference (EMI) to prevent radio and electronics disruption
• Kevlar Center Core - Provides exceptional tensile strength and durability
• Conductive Polymer Coating - Additional layer of protection against voltage leakage
• High Temperature Silicone Jacket - Protects against extreme underhood temperatures and chemical exposure
• High Temperature Silicone Boots - Resist melting and cracking in high-heat environments
• Fold Over Crimping - Professional-grade terminal attachment for reliable electrical contact

The Ultra 40 series represents Moroso's top-tier ignition wire technology, combining multiple layers of protection and performance-enhancing features. Ideal for street performance, racing, and custom engine builds where reliable ignition is critical.