BOYESEN Pro Series Reed for RAD34D YZ250 PSR87

The latest carbon fiber technology with all the advantages of Boyesen’s patented dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers the quickest acceleration any reed can offer; maximize horsepower and torque, Utilizes a carbon fiber top reed and a durable fiberglass/epoxy bottom reed, No sacrifice in reed life like traditional carbon fiber reeds