Impeller - YamahaCaracteristicas: Application chart is based on level of engine modifications; stock, limited (some bolt on parts added) or modified (extensive engine head work) Blades have a super progressive pitch and minimal overlap for hard acceleration throughout the powerband and increased top end speed Precision cast using aerospace grade stainless steel, then heat treated, CNC machined and dynamically balanced Unique 3 D blade design was developed using the