New Designz NDZ Spyder Valve Stem

Made of stainless steel with a Delrinª cup seal this
was designed with performance in mind. The shaft itself is multi-slotted for
balanced air flow during valve opening. Click here for a
large picture.

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  Our HP valve stem has slots on top and bottom.
  This provides uniform airflow and pressure on the valve stem to the valve body
  during firing
  
  
• The HP valve stem cup seal is tapered for improved air
  flow
  
• Fully CNC machined from stainless steel with a replaceable
  Delrinª valve stem cup seal
  
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  Also, our HP valve stem has an undercut section
  that leads to a 45¡ angle which directs the air into the exhaust side of the
  valve during firing
  
  
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  With such chronograph or FPS increases, the use
  of lower pressure springs will help reduce kick and offer less fatigue and
  wear on marker components
  
  
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  Increases
  efficiency