EZ REV Impeller Kit. Specifications Material Polyurethane. Outer Diameter 2.0 . Inner Diameter 0.31 /Flat. Width 0.87 . Features Designed Specifically For Ski/Wakeboard Ballast Pumps. EZ Reverse Design. Run Dry Capable. Replaces Jabsco 6303-007-P Green Impeller . Fits Johnson Ultra Ballast Pump P/N 10-24690-03. A 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. Specifications Material Polyurethane Outer Diameter 2.0 . Inner Diameter 0.31 /Flat Width 0.87 . Features Designed Specifically For Ski/Wakeboard Ballast Pumps. EZ Reverse Design Run Dry Capable Replaces Jabsco 6303-007-P Green Impeller Fits Johnson Ultra Ballast Pump P/N 10-2