Black. Comes with universal type coil mount & cut to length spark plug wires. Dual fire. Can be used in 2 cylinder single fire applications with dual plugged heads. Traditional High-Performance coil kit. Comes with a 12 volt high output coil complete with Heavy-Duty 8.8mm Accel suppression core spark plug wires; that can be cut to required length; and a universal mounting kit. Although the coil has a 3 Ohm primary resistance it can be used; not just on electronic; but on points triggered ignition systems as well. For two cylinders this kit can be used in single fire applications in combination with dual plugged (4 spark plugs) heads. Note: Will work on custom applications as long as the primary resistance is within 10% of the original coil.