60634 8.2mm ThunderVolt spark plug wire set. Blue

If you want the best spark for your ride, these Taylor 8.2mm ThunderVolt wires in blue are a solid choice. Sold as a kit, you get two 21-inch leads with straight boots and gold lettering. The core is a high-tech 40 Ohm per foot ferrite spiral design that ensures maximum energy transfer while keeping electronic interference to a minimum. Protected by two layers of Zimplex silicone, they can withstand temperatures up to 600 degrees Fahrenheit. These wires fit 1999 to 2008 fuel-injected FLT Touring models and 2004 to 2006 Sportster XL models. They work perfectly with stock Harley-Davidson ignition systems and use 100% silicone boots with vibration-resistant locking terminals to keep your connection solid on the road.