Spark Plugs & Wires

Upgrade your ignition system with our premium selection of Harley spark plugs and Harley spark plug wires, engineered to meet or exceed OEM standards for Harley Davidson motorcycles. Choose from high-performance iridium and platinum Harley Davidson spark plugs designed for increased durability, cleaner combustion, and improved fuel efficiency.

Our Harley Davidson spark plug wires feature low-resistance construction for maximum conductivity and reliable spark delivery. Built with high-temp silicone insulation, these Harley spark plug wires provide excellent heat protection and superior EMI/RFI suppression to shield your bike’s electronics from interference. Plus, with custom lengths and color-matched options available, you can match performance with style.

Whether you're maintaining a stock setup or fine-tuning a custom build, our Harley spark plugs and Harley spark plug wires are tested to perform under tough riding conditions. Browse our full range of Harley Davidson Electrical & Wiring parts and give your motorcycle the spark it needs to perform its best. Shop now and ride with confidence!