SD-709 Compressor Head / Back O-ring

SD-709 and SD 7H15 compressor head (back) with vertical oring fittings. The fittings are # 8 for the discharge, and # 10 for the suction.  The back is a brand new take off.  The back has never had hoses attached, and it has not been mounted to a vehicle.   This is a clearance item that is non-returnable.