To achieve the highest level of engine power, your nitrous system must deliver pure liquid nitrous right to the injection point. By using the largest purge solenoid and delivery lines in the industry, the ZEX -6AN Nitrous Purge Kit ensures that your nitrous lines are clear of power robbing vapor. This state-of-the-art kit is required equipment for race winning, rocket-like starts and top end performance. The ZEX -6AN Nitrous Purge Kit contains everything you need for easy installation, including the high flow solenoid, all lines, fittings and connectors. In addition, this system creates the ultimate in crowd-pleasing "esnow machine" nitrous purge effects that every racer wants. Simple yet highly effective, the ZEX -6AN Nitrous Purge Kit is the best way yet to achieve maximum engine performance and nitrous reliability.