Nitrous Express Upgrade Kit, Nitrous Oxide, Gen-X2, Bottle Heater, Pressure Gauge, Fuel Switch, Blow Down Fitting, KitGen X accessory packs include all the components you need to make your nitrous system dependable and worry free. Gen X kit includes: fully automatic bottle heater with pressure transducer, 35PSI fuel pressure safety switch, liquid filled N2O pressure gauge, NHRA approved pressure release fitting, NHRA approved blow down tube, all the electrical connectors and wire needed to complete the installation. Includes all of the above plus a purge valve for