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An aero-form reed valve that corrects the problems associated with existing reed valve designs. Maintains flow velocity through the valve and re-directs the intake charge for even distribution to the intake ports. Provides quicker, sharper throttle response and more horsepower. 1-piece aluminum casting; no manifolds to trim or plastic pieces to insert. Boyesen Pro Series RAD Reeds included. Vehicle Fitment: 1997-1998 Yamaha YZ250
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🇺🇸 Ship from USA · On Agora since 2025
$174.54