Moroso 28326 Ultra 40 Motorcycle Spark Plug Wire Set for Harley-Davidson

The Moroso 28326 Ultra 40 is a high-performance motorcycle ignition wire set engineered for superior spark energy delivery and maximum EMI/RFI suppression. Built to the same exacting standards as the ignition wires used in the highest levels of motorsport competition, this 8.65mm wire set is a direct replacement for Harley-Davidson OEM part number 32094-98.

Key Features:

• 8.65mm diameter spiral-wound conductor engineered for maximum energy transfer and minimal noise interference
• 40 ohms of resistance per foot — optimized to suppress EMI (electromagnetic interference) and RFI (radio frequency interference)
• Nickel/copper alloy conductor wound at the optimum ratio for the highest spark energy output with the lowest interference
• Kevlar® core — four times stronger than standard aramid fiber cores for exceptional dielectric strength
• Extra-thick EPDM insulation layer for greater dielectric strength and heat resistance
• Closely woven fiberglass, silicone-impregnated insulation adds up to 8,000 extra volts of protection
• High-temperature silicone boots rated to withstand up to 600°F of heat
• Locking stainless steel plug terminals for a secure, positive connection
• Replaces OEM Harley-Davidson part number 32094-98

Race-proven technology trusted from dual-mag Top Fuel dragsters to the NASCAR Cup Series, now engineered specifically for your motorcycle. The Moroso Ultra 40 wire set protects against exhaust header heat, chafing, and contaminants to extend the life of your ignition system.