BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD34D

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