Designed to correct starting problems in motorcycles with high compression ratios or large displacement engines that use Daytona Twin Tec single-fire ignitions Model 1006 External Ignition 382-814 or Model 1007 382-815, and Fully Programmable Ignition 381-767 or 381-655 The combined draw of the starter motor, single fire coil and long length of the wire between the battery, engine stop-run switch and the coil may leave too little energy at the coil to provide enough spark to fire the engine The Power Relay kit solves the problem by supplying full battery voltage to the coil Kit includes high-quality relay, wire and all required terminals