Moroso High Performance Suppression Ignition Wire - Core/SET 1978-1983 Universal — Harley-Davidson (1978-2026)

Moroso High Performance suppression ignition wire set with 8mm silicone jacket and glass center core for reliable spark delivery on late-model Harley-Davidson bikes. Locking stainless steel terminals resist vibration, and silicone boots rated to 600° handle engine heat without degradation.

Features

• 8mm silicone jacket with extra-thick EPDM insulation
• Glass center core with high tensile strength
• Locking stainless steel plug terminals
• High-temperature silicone boots rated to 600°F
• Nylon pull tape for superior terminal retention
• Compatible with Harley ION sensing coils

Specifications

• Brand: Moroso
• Manufacturer Part #: 27286
• UPC: 84663272868
• Length: 13.5 in
• Width: 6.5 in
• Height: 2.25 in
• Weight: 1.5 lbs

Fitment

Compatible with Harley-Davidson models using ION sensing coils on virtually all late-model bikes.

Frequently Asked Questions

Will these work with my Harley's stock coils?

Yes — these wires are fully compatible with Harley ION sensing coils found on virtually all late-model bikes.

What makes the silicone jacket better than standard wire jackets?

The 8mm silicone jacket with extra-thick EPDM insulation resists heat and chafing, and the boots withstand continuous temps up to 600°F without cracking.

Will the terminals stay connected during hard riding?

Yes — locking stainless steel terminals are designed to resist vibration and stay seated under high-vibration conditions.

Are these made in the USA?

Yes — Moroso High Performance wires are manufactured in the USA to their highest quality standards.