Up for sale is RICK'S MOTORSPORT ELECTRICS YAMAHA IGNITION COIL 23-403. The vendor part number is 23-403. Please read title to know what you are getting. The catalog decription.... is Lighting, pulser/source and trigger coils are high-quality OEM replacementsHot Shot ignition coils produce an enhanced spark for a cleaner, more complete burn, resulting in the potential for more powerAll coils feature high-quality components for superior performance and long life