Moroso 73818 Ultra Race Spark Plug Wire Set - 40

The Moroso Ultra 40 Race Wire Set (part number 73818) is a premium spark plug wire solution designed for high-performance racing applications with under-header configurations. This wire set features 90-degree plug boots with HEI-style terminals and comes fully sleeved for maximum heat and abrasion protection.

Key Features:

• Ultra 40 construction with 40 ohms per foot resistance for superior spark energy and EMI suppression
• 90-degree spark plug boots with HEI-style terminals for tight-clearance installations
• Designed specifically for under-header routing to avoid heat damage
• Full-length sleeve protection for maximum durability in harsh racing environments
• Factory-terminated locking steel terminals with corrosion-resistant construction
• High-temperature OEM-style silicone boots bonded to the wire to seal out moisture, fuel, and oil
• Each wire precisely cut to the correct length for proper fitment
• Includes color-matched high-temperature plastic wire separators for organized, secure routing

Moroso BlueMax spark plug wires represent premium quality construction with professional-grade terminations and materials designed to withstand the extreme conditions of racing. The sleeved design provides an additional layer of protection against header heat, abrasion, and chemical exposure, making this wire set ideal for serious racing applications where reliability is critical.