BOYESEN
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MOTORCYCLE PRO REEDS

PSR-21

Rad Valve Pro Reed

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BOYESEN
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Description

  • Each Boyesen RAD Valve is unique - tailor made to that model, year and displacement.
  • The intake charge is redirected for more even distribution to the intake ports
  • Constant flow velocity is maintained for instant throttle response and more horsepower
  • One piece design and Easy installation