Moroso 28642 Ultra 40 Spark Plug Wire Set Black Harley-Davidson Street 500 750

The Moroso 28642 Ultra 40 Spark Plug Wire Set is a direct-fit performance ignition wire set designed for Harley-Davidson Street 500 (XG500) and Street 750 (XG750) motorcycles from 2015 and up. Built to Moroso's exacting standards, these black wires deliver reliable spark energy transfer and improved ignition performance over stock wiring.

Key Features:

• Ultra 40 Construction – 8mm diameter wire with a high-energy, low-resistance spiral-wound core designed to maximize spark delivery
• 40 Ohm/ft suppression – Provides effective RFI/EMI suppression to protect sensitive electronics and reduce radio frequency interference
• Direct-Fit Design – Engineered specifically for Harley-Davidson XG500 and XG750 platforms (2015 and newer) for a hassle-free installation
• Black Finish – Clean, stealthy look that complements factory and custom builds alike
• High-Temperature Insulation – Heat-resistant jacket stands up to the demanding thermal environment of the motorcycle engine bay
• OEM-Style Terminals – Factory-style connectors ensure a secure, rattle-free fit at the coil and spark plug ends

Moroso Performance Products has been a trusted name in motorsports for decades, producing ignition components that meet the demands of both street and performance applications. The 28642 wire set is a straightforward upgrade or replacement solution for riders looking to maintain peak ignition reliability on their Harley-Davidson Street series motorcycle.