Nitrous Oxide Kits

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NOS Purge Valve Kit Nitrous pressure should be kept consistent to obtain optimum performance. All NOS systems are designed to work best with a bottle pressure of 900-950 PSI. Pressure is determined by the amount of nitrous contained in the bottle and temperature. The chart below shows what happens to nitrous at various temperatures. Accordingly, it's a good idea to use an NOS bottle heater and/or blanket. Likewise, maintaining consistent line filling is important...which is why most racers use an NOS purge valve to release nitrous vapor from the feed line. This provides liquid nitrous to the inlet of the solenoid(s) for better consistency and repeatability.  Purge Valves - Control System Pressure For Optimum Power! The primary purpose of a purge valve is to release trapped air or gaseous nitrous from feed line(s). Helps to ensure consistent performances. And it looks cool, too. You've probably seen the Import or Pro Mod guys do it. Includes all required components. BOTTLE TEMP. °F BOTTLE PRESSURE (PSI) -30 167 -20 203 -10 240 0 283 10 335 20 387 32 460 40 520 50 590 60 675 70 760 80 865 97 1069