The Nitrous Express LS 90mm Plate System features a billet plate. This 90mm plate bolts between the throttle body and intake making installation quick, easy and attractive. The system comes as a single stage system and includes jetting for 50, 100, 150, 200, 250, 300, 350 and 400 horsepower. The plate is pre-machined with a second set of nitrous and fuel passages so you can easily upgrade to a dual stage system by adding part # NX933D. This system includes ProPower Lightning series solenoids, 12lb composite bottle with the Lightning bottle valve, 6AN feedline, braided stainless solenoid to plate lines, stainless bottle brackets, master arming switch, WOT switch as well as every nut, bolt and electrical connector needed to complete the installation.