Moroso High Performance Suppression Ignition Wire - Core/SET 1965-1978 BIG Twin — Harley-Davidson Electra Glide (1970-1978)

Moroso High Performance suppression ignition wire set for 1965-1978 Big Twin Harleys, featuring a glass-fiber core with 8mm silicone jacket and locking stainless steel terminals. Built to handle extreme heat and vibration while remaining compatible with modern ION sensing coils.

Features

• Glass center core with high tensile strength
• 8mm silicone jacket reduces heat and chafing
• Extra-thick EPDM insulation layer for greater dielectric strength
• Locking stainless steel plug terminals resist vibration
• High-temperature silicone boots withstand up to 600°F
• Nylon pull tape for terminal retention
• Made in the USA

Specifications

• Brand: Moroso
• Manufacturer Part #: 27283
• UPC: 84663272837
• Wire Length: 13.5 in
• Weight: 0.5812 lbs

Fitment

Fits Harley-Davidson Big Twin models 1965-1978 with stock coil and plug configuration. Compatible with ION sensing coils on late-model Harley bikes.

Frequently Asked Questions

Will these work with my modern Harley's ION sensing coils?

Yes — Moroso wires are fully compatible with ION sensing coils used on virtually all late-model Harley-Davidson bikes.

Can these handle high heat under the hood?

Yes. The silicone boots withstand sustained temperatures up to 600°F, and the 8mm silicone jacket reduces heat transfer to nearby components.

Do the terminals stay connected during hard riding?

Yes — locking stainless steel terminals grip the coil and spark plug under high vibration without loosening.

Are these made in the USA?

Yes — Moroso High Performance wires are manufactured in the USA.