Moroso 73693 Ultra 40 Unsleeved Spark Plug Wire Set Ford 351W

The Moroso 73693 Ultra 40 Race Wire Set delivers professional-grade ignition performance for Ford 351W engines. This unsleeved custom-fit wire set features advanced construction designed for racing applications and performance enthusiasts seeking maximum spark energy transfer and EMI/RFI suppression.

Key Features:

• 8.65mm diameter wire with 40 ohms of resistance per foot for optimal performance
• Kevlar core construction that is four times stronger than standard aramid fiber cores
• Spiral-wound nickel copper alloy conductor for superior spark energy transfer
• Closely woven fiberglass with silicone-impregnated insulation providing up to 8,000 extra volts of protection
• High-temperature silicone boots rated to withstand heat up to 600 degrees Fahrenheit
• Locking stainless steel plug terminals for secure connections
• Extra-thick EPDM layer for greater dielectric strength
• Male/HEI distributor terminal type

The unsleeved design reduces bulk while the advanced insulation protects against exhaust header heat, chafing, and contaminants. This custom-fit set is engineered specifically for Ford 351W applications, providing proper wire routing and fitment. Ideal for racing and high-performance street applications where maximum ignition efficiency is critical.