Mallory 61004M E-Spark Conversion Kit (8Cyl, Std Cap) 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 Improves performance and fuel efficiency Easy to install Provides a simple conversion from the breaker points and condenser in many 8-cylinder distributors