VERY EXPENSIVE HIGH QUALITY PUMP WHEN NEW. THE SHAFT IS STANDARD AUTO VERDI SIZE OF. 590". INCLUDES A 5mm PITCH 58 TOOTH PULLEY WITH COLLET STYLE HUB. THIS IS THE HALF COLLET VERSION WHERE THE TAPER IS BUILT INTO THE PULLEY AND ONLY HALF OF THE AUTO VERDI COLLECT SYSTEM IS USED AS SHOWN IN THE PICTURES.
