3116/3126 injector sleeve

1wm6757 3126A non B model same cup part numbers as some of the muei but this is the first style huei.
injector sleeve finally got them all out but the two small groves near top have Cooper or brass rings from old cups being pressed in can't get the rings out. Can spin them but can't get them out. tried cutting with Dremel cut off wheel but my hands and eyes won't let me get them with out bumping head. For $1700 will just get remain head in future. But I'm in now and need to have truck on...

3116/3126 injector sleeve

3116/3126 injector sleeve