Harley Davidson Spark Plug Wire Kit 10.4mm 10mm for Dyna FXD 2000-2017 Softail 1999-2017 - Red Silicone 90-Degree Pre-Crimped Motorcycle Ignition Wires

Harley-Davidson Spark Plug Wire Kit — Red Silicone, Pre-Crimped (2-Pack)

Restore reliable ignition performance on your Harley-Davidson Big Twin with this pre-crimped spark plug wire set. Engineered with a full silicone jacket, insulation, and core for superior heat resistance, these wires are a direct-fit replacement for Dyna FXD (2000–2017) and Softail (1999–2017) models. Suitable for street, custom, and race builds.

Key Features

• Full Silicone Construction — jacket, insulation, and core rated for high-temperature engine environments
• Pre-Crimped Ends — 10.4mm and 10mm rubber ends included; 90-degree and straight boots for flexible routing
• Direct-Fit Replacement — designed for factory coil location on cylinder (seat post mount)
• Reduces Fuel Waste — restores clean spark for improved combustion efficiency
• Ideal for bobbers, scramblers, café racers, relocation kits, and custom builds
• Non-OEM aftermarket accessory

Specifications

Fitment Guide

• Harley-Davidson Dyna FXD: 2000–2017
• Harley-Davidson Softail: 1999–2017
• Fits Big Twin models with coil mounted on seat post (factory location)
• Please confirm make, model, year, and spark plug size before ordering

Use Cases

Perfect for replacing worn or damaged OEM spark plug wires, upgrading to silicone for heat resistance, or refreshing the look of your Harley with red wires on a custom bobber, scrambler, or café racer build.