Moroso 28323 Blue Max Spiral Core Spark Plug Wire Set - 8mm

The Moroso Blue Max 8mm Spiral Core Spark Plug Wire Set (PN 28323) delivers race-proven ignition performance engineered for Harley-Davidson XL Sportster applications. Conceived and developed by Moroso engineers using advanced materials and extrusion technology, these wires are built to deliver maximum energy transmission from coil to plug with minimal signal loss.

The spiral-wound core construction provides exceptional electro-magnetic interference (EMI) suppression, protecting sensitive electronics and onboard systems from ignition noise. The 8mm diameter jacket offers outstanding dielectric strength, guarding against voltage leak and crossfire even under extreme heat and high-RPM conditions.

Key Features:

• 8mm diameter spiral core wire construction
• High-output energy transmission for improved combustion efficiency
• Superior EMI/RFI suppression to protect electronic components
• Exceptional dielectric strength resists voltage leakage and crossfire
• High-temperature silicone jacket withstands extreme engine bay heat
• Race-validated design — proven from street vehicles to Top Fuel dragsters and NASCAR competition
• Blue Max jacket finish for a clean, professional appearance

Moroso Blue Max ignition wires are a trusted upgrade for performance enthusiasts seeking reliable ignition delivery. The Moroso 28323 is a direct-fit wire set designed for the Harley-Davidson XL Sportster platform, making installation straightforward without custom cutting or terminating.