D.U.I. Coil Kit (Street / Strip) The D.U.I. (Davis Unified Ignition) Street/Strip Coil Kit fires up to 7000 rpm. This kit includes the coil, brass terminal cap and rotor, and nylon rotor hold down screws. The D.U.I. Street/Strip Coil Kit also allows...

D.U.I. Coil Kit (Race) The D.U.I. Racing Coil Kit is capable of 9000 rpm. That's almost twice the output of a stock HEI coil! The coil comes installed in a brass terminal cap and includes the rotor and nylon rotor hold down screws. Spark plug gaps...