Selling my nx nitrous kit used it for about 4 months and decided to go with a blower this kit includes everything u need it's a complete kit. Payed 899 for this kit new asking 600 shipped to ur door. This kit can go up to a 300 jet the way it sets right now. Has the pro shark nozzle. It's the big race nx kit with 500 hp solenoids. Call or txt 6067068757 for any questions