MC97 F6 Threaded Impeller - ReplacementA worn or damaged impeller can cause system failure or engine breakdown. SPX's Johnson Pump brand impellers are developed and manufactured for maximum flow and long life. With a genuine spare impeller, you can also be sure that you are getting the quality required by engine manufacturers and professionals.Features:Designed to fit Johnson Impeller Pump F6Specifications:Material: MC97Pump: F6Outer Diameter: 2.25" / 57.1mmInner Diameter: SplinesWidth: 1.90" / 48.2mm