Mallory 61001M E-Spark Conversion Kit for Distributor More accurate ignition timing than any other type of system Improves performance and fuel efficiency Latest Thermal Clad based surface mount construction for maximum dependability and long life For 12 volt negative ground system Limited 1 Year Warranty Calibrated for maximum performance Eliminates point float and bounce to increase coil output Provides maximum performance at any RPM No moving parts to wear out Better drivability and throttle response