17 MOUNTING HOLES DRILLED THRU 0.687-0.696 IN. DIA COUNTERBORED 1.062 IN. DIA X 0.655 IN. DEEP WITH 1.246 X 60 DEG INCL ANGLE; 2 LIFTING HOLES 0.311-0.318 IN. DIA X 1.06 IN DEEP THREADED .375-16UNC-2B TO 0.75 IN MIN DEPTH WITH 0.44 X 90 DEG INCL ANGLE; NOZZLE BLOCK IS A 180 DEGREE SECTION THAT WOULD HAVE A 22.730 IN. DIA.