Nitrous Oxide Jet, Flare, .026 in., Brass, Each HP Jetsprecision manufacturing and design can make a big difference in performance. Their HP jets are CNC-machined and guaranteed to be within 0.0005 in. of the specified size. The real advantage, though, is in their carefully contoured, multi-step outlet, which reduces turbulence and increases flow by as much as 35 percent over competitors' jets of ...