Pro-Series Reed - Polaris WatercraftCaracteristicas: Respond quickly and accurately to piston speed changes for smooth, dependable throttle response High tech carbon fiber with all the advantages of Boyesen's exclusive dual stage reed design Offer the quickest acceleration any reed can offer; maximizes horsepower and torque Pair a carbon fiber top reed and a durable fiberglass epoxy bottom reed No sacrifice in reed life like traditional carbon fiber reeds Packaged as a complete engine