1An ignition coil, or spark coil, is an induction coil which transforms the batteries low voltage into the thousands of volts needed to create an electric spark in the spark plugs to ignite the fuel. 2This ignition coil will greatly increase your spark and improve car performance, acceleration, starting, and fuel mileage. 3It can improve combustion efficiency and strengthen electrical performance. 4Built to original factory specifications, directly replace the old or broken one. 5It adopts ABS material, which can withstand pressure, cold and heat, and improve durability.2 x Ignition CoilCondition: 100% New_x000D_Item Type: Ignition Coil_x000D_Material: ABS _x000D_Color: Black_x000D_Fitment: Fit for Yamaha Virago 1100 XV1100 1986-1999 1An ignition coil, or spark coil, is an induction coil which transforms the batteries low voltage into the thousands of volts needed to create an electric spark in the spark plugs to ignite the fuel. 2This ignition coil will greatly increase your spark and improve car performance, acceleration, starting, and fuel mileage. 3It can improve combustion efficiency and strengthen electrical performance. 4Built to original factory specifications, directly replace the old or broken one. 5It adopts ABS material, which can withstand pressure, cold and heat, and improve durability.2 x Ignition Coil