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

• Boyesen PSR-13 Pro Series Replacement Reed for Rad Valve

Boyesen PSR-13 Pro Series Replacement Reed for Rad ValveBoyesen