Designed for racing applications with an MSD 7, 8 or 10 Series Ignition Control, this Pro Power HVC Coil can be used for racing or on the street. With the low primary resistance and the E-Core design, the HVC produces high voltage without compromising the current output. This coil is designed for long duration race events. The coil is held firmly between aluminum brackets and the spark plug style terminal is used to grip the secondary wire. With a Weathertight connector for positive, locking connection and matching terminals for installation to the terminal strip of an MSD 7 Series Control, this coil is perfectly designed to plug right in. Comes with tough vibration mounts. Note: Not legal for sale or use on pollution controlled motor vehicles.