Gen-X2™, Bottle Heater, Pressure Gauge, Fuel Switch, Blow Down Fitting, and Tube Kit. Make your nitrous system safe. These Nitrous Express GenX-2™ kits include all of the components you need to make your nitrous system dependable and worry free. They're the ultimate nitrous system accessories. Kits include: * Fully automatic bottle heater with pressure transducer * Fuel pressure safety switch * Liquid filled N2O pressure gauge * NHRA-approved pressure release fitting * NHRA-approved blow down tube * All electrical connectors and wire needed to complete the installation * Purge valve for the NX Iceman solenoid