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BOYESEN
Rad Valve Reed Cage Assembly - Yamaha
- Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports
- Made of one-piece aluminum castings and bolts in easily; no modifications necessary
- Provide quicker, sharper throttle response and more horsepower throughout rpm range
- Specially-designed reed cage holds Boyesen's patented dual-stage reeds
- Boyesen's hot RAD valve provides plenty of torque
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