Dynatek Moto Motorcycle Motorbike Dyna-S Ignition Kit Dual Fire
70-99 Big Twin models (excl. Twin Cam) and 71-03 XL Sportster (NU). Complete Dyna-S kit dual fire with single coil. Note: Difference between Single & Dual Fire: - Dual Fire - This is the way the earlier, pre-Twin Cam, engines work.