Twin Power 17-20 FLH FLT Ignition Coil Black Replaces H-D1600017 .4 Ohm

Twin Power?"? coils are the high-quality direct fit with at least 20% more voltage than stock. Constructed from durable high-quality, molded-epoxy, in a late O.E.M.-style molded case, these ignition coils improve starting, prevent high-speed misfires and increase overall performance. They are available in black and chrome, and come with a one-year manufacturer's warranty.