-4AN Liquid Filled Pressure Gauge Kit

  • Most accurate bottle pressure monotoring
  • Fits -4AN bottle fittings (standard w/ most ZEX™ kits)
  • Liquid-filled design protects internal components from severe vibration thats often found in race/street/strip vehicles
  • Fits any manufacturer’s nitrous bottle
In stock

Serious racers know that optimum nitrous system performance is generated when nitrous bottle pressure is maintained between 900-1000 psi. To monitor this accurately, ZEX™ offers a liquid filled gauge option for our popular nitrous pressure gauge kit. The gauge offered in this kit is not only more accurate, but the liquid filling helps protect the gauge’s delicate internal components from severe vibration, commonly found in race cars and serious street/strip type vehicles.


  • Fits -4AN bottle fittings (standard w/ most ZEX™ kits)

  • Most accurate bottle pressure monotoring

  • Internal components are protected from the severe vibration often found in race & serious street/strip vehicles

  • Kit includes 0-1500 psi range gauge

  • Specifically designed to fit any manufacturer’s nitrous bottle

  • Comes w/ inline adapter for -4AN delivery lines