RAD34E - BOYESEN ДІАФРАГМА YAMAHA YZ 250 1999

Rad Valve

• Maintain Flow velocity through the valve and redirect intake charge for even more distribution to intake ports
• 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 valves ratchet up your Torque
• One-Piece Cast Aluminum Bolts in easily
• Order one set per циліндр