Moroso High Performance Ultra 40 Ignition Wire - 40/SET 1999-2017 FXD — Harley-Davidson Dyna Wide Glide, Dyna Low Rider, Dyna Super Glide (1999-2017)

Moroso High Performance Ultra 40 ignition wire set for Harley-Davidson Dyna models 1999-2017, engineered with 40 ohms per foot resistance and DuPont Kevlar core for superior spark energy and durability. Silicone boots rated to 600°F and locking stainless steel terminals ensure reliable ignition under high heat and vibration.

Features

• 8.65mm diameter with 40 ohms per foot resistance
• DuPont Kevlar core — four times stronger than standard Aramid
• High-temperature silicone boots rated to 600°F
• Locking stainless steel plug terminals
• Nickel copper alloy conductors for superior spark transfer
• Extra-thick EPDM insulation layer
• 100% compatible with Harley ION Sense ignition coils

Specifications

• Brand: Moroso
• Manufacturer Part #: 28327
• UPC: 84663283277
• Resistance: 40 ohms per foot
• Wire Diameter: 8.65mm
• Conductor: Nickel copper alloy
• Boot Material: High-temperature silicone
• Terminal Type: Locking stainless steel
• Core Material: DuPont Kevlar
• Weight: 0.4527 lbs

Fitment

Fits Harley-Davidson Dyna models 1999-2017 equipped with ION Sense ignition coils. Compatible with virtually all late-model Harley ignition systems.

Frequently Asked Questions

Are these wires compatible with my Harley's ION Sense coils?

Yes — 100% compatible with all Harley ION Sense ignition coils used on late-model bikes.

What resistance do these wires have?

40 ohms per foot — a class-leading spec that supports strong spark energy and reliable cold-start performance.

Can the silicone boots handle engine heat?

Yes. The high-temperature silicone boots are rated to 600°F, well above typical engine compartment temperatures.

Why is the Kevlar core better than standard Aramid?

DuPont Kevlar is four times stronger than standard Aramid, reducing wire breakage and extending service life under vibration.

Will these fit my 2018+ Harley?

This set is for 1999-2017 Dyna models. Verify the model year and ignition coil type before ordering for bikes outside this range.