DC-012-003 are high tech, top quality coils designed for maximum performance. They produce spark voltages in excess of 30,000 volts, and spark energies second to none. Dyna Coils are made to replace stock coils. They work with point ignitions, aftermarket electronic ignitions, and factory electronic ignitions. 12 volt, dual output, 3 ohm. 2 13/16" body length-4 1/2" length overall. Brackets sold separately on our points page as DCB-012-003. Sold as a pair.