Moroso 73821 Ultra 40 Race Spark Plug Wire Set Under Headers 90 Degree

The Moroso Ultra 40 Race Wire Set is a high-performance spark plug wire solution designed specifically for under-header applications with 90-degree plug boots and non-HEI distributors. These professional-grade wires feature sleeved construction to protect against heat and abrasion in demanding racing environments.

Key Features:

• Ultra 40 low-resistance spiral core construction for superior spark energy and EMI suppression
• 90-degree plug boots designed for tight clearance under headers
• Factory-terminated with locking, corrosion-resistant steel terminals for reliable connections
• High-temperature OEM-style silicone boots bonded to the wire to seal out moisture, fuel, and oil
• Sleeved wire protection guards against extreme heat and physical damage
• Pre-cut wires for precise fitment eliminate the need for custom cutting
• Includes color-matched high-temperature plastic wire separators for proper wire routing and spacing

Part of Moroso's BlueMax spark plug wire family, the Ultra 40 series delivers professional-grade performance for race applications where reliability and consistent spark delivery are critical. The sleeved construction and 90-degree boots make this set ideal for engines with limited clearance around headers.