The NX Dry Direct Port System provide nitrous directly into each cylinder through a set of high flow NX Dry Nozzles. , These systems are designed to be used with an engine management system that can add nitrous enrichment through the engine’s fuel system., Includes jets for 100-600hp per stage as well as a tech card with lbs/hr flow data for each jet setting., Includes 2 .093 NX Lightning Solenoids, 8 of the 1/8NPT nozzles