Product Description

High Performance Ultra 40 Ignition Wire is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.

All Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600°), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals that stay connected under high vibration and are fully compatible with the Harley-Davidson® ION sensing coils used on virtually all late model bikes. Moroso High Performance Ignition wire combines state of the art engineering with the Finest “Made In the USA” workmanship and the very highest standards of quality control available.

Key Features

• 8.65mm diameter, 40 ohms per foot resistance
• 100% Compatible with HD’s ION Sense Ignition Coils
• Class-leading 40 ohms of resistance per foot
• Nickel copper alloy conductors for superior spark energy transfer
• Extra-thick EPDM layer for greater dielectric strength
• High-temperature silicone boots that can withstand heat up to 600 degrees
• Locking stainless steel plug terminals
• Dupont™ Kevlar® core that’s four times stronger than Aramid cores
• DuPont™ and Kevlar® are trademarks or registered trademarks of E.I. du Pont de Nemours and Company

Product Specifications

• Part Number: 82-8323
• Brand: Moroso
• Weight: 0.25 lbs
• UPC: 84663283239

Available at Knobtown Cycle

Shop online or visit our Kansas City showroom. Fast shipping available on all orders! Free Ship to Store!

Part Locations

Stock levels last updated: March 1, 2026 5:07 PM

Professional Installation Available

Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.