the present disclosure relates to a jet pump tail cone insert for a jet pump . the jet pump tail cone insert comprises a cap , a body and an end member . the end member has a plurality of projections configured to matingly receive a plurality of forks of the body . when connected together , the body and the end member have a plurality of receivers configured to receive stator vanes of a bearing hub of the jet pump . the body and the end member are configured to be proximate the stator vanes . the cap is configured to matingly couple to the body . the jet pump tail cone insert encompasses a portion of the bearing hub of the jet pump . the jet pump tail cone insert occupies within the bearing hub thereby increasing a flow rate of water through the jet pump .