Dynatek Miniature Series Coil - 3.0 ohm - Dual-Tower - Single Fire - Dual Plug DC1-2 One of the smallest packages delivers high output with advanced magnetic core technology Designed for use with Dyna 2000 and 3000 series ignitions, factory-installed electronics, or with aftermarket ignitions that employ dwell control Secondary resistance is 11.5 ohms Great for customs where coils need to be hidden