Fits SR500 up to '92, XS500 up to '78 OEM flange adapter, to mount M14 x 1 threaded petcock (TT500-style petcock) onto SR500/XS500 stock tank - see matching petcock item # 50597 Comes with machined CNC aluminum adapter, gaskets, and mounting hardware Bolt distance 46 mm Made by KEDO in Germany
