Moroso 73622 Ultra 40 Race Wire High-Performance Spark Plug Wire

The Moroso 73622 Ultra 40 Race Wire delivers professional-grade ignition performance for high-output racing and performance engines. Engineered with advanced materials and construction techniques, this spark plug wire provides superior conductivity, durability, and heat resistance in demanding motorsports applications.

Advanced Construction Features:

• Kevlar Center Core: Provides exceptional tensile strength and durability under extreme conditions
• Ferrite Impregnated Core: Reduces electromagnetic interference (EMI) while maintaining excellent conductivity
• Nickel Copper Alloy Conductor: Delivers optimal electrical flow with minimal resistance for consistent spark energy
• Conductive Polymer Coating: Ensures reliable electron transfer between core and terminals
• High-Temperature Silicone Jacket: Protects against extreme heat, oil, and abrasion in harsh engine environments

Premium Terminal Design:

• Locking Stainless Steel Terminals: Precision-machined terminals provide secure, vibration-resistant connections
• Fold-Over Crimping: Professional-grade crimping method ensures maximum contact and prevents terminal pullout
• High-Temperature Silicone Boots: Maintains flexibility and sealing integrity in extreme temperatures

Ideal for race engines, high-compression applications, and performance builds where ignition reliability is critical. The Ultra 40 Race Wire's advanced multi-layer construction delivers consistent performance in temperatures and conditions that would destroy conventional spark plug wires.