This NX Dry Direct Port System provides nitrous directly into each cylinder through a set of high flow NX Dry Nozzles. This system is designed to be used with an engine management system that can add nitrous enrichment through the engine's fuel system. A jet card with lbs./hr. flow data for each horsepower setting is provided to aid in tuning your engine management systems nitrous enrichment settings. Includes two billet aluminum and carbon fiber Lightning Nitrous Solenoids, eight NX Dry Nozzles, 6an nitrous feedline, jets for 100-600hp, WOT switch, relay, relay harness and all necessary hardware to complete the installation.