ACCEL 140403K Black Ignition Coil Kit Low resistance primary windings for both factory installed and aftermarket CDI systems Ideal for 4 cylinder bikes with capacitive discharge ignitions Compatible with both points or electronically triggered ignitions Includes two high output coils black 8.8MM plug wires and all mounting brackets Test your Original Equipment Manufacturer coils to verify that they are within plus or minus 10 percent of ACCEL coil specifications