MATERIAL CAST STEEL SAE 0025;LENGTH 10.000 IN;WIDTH 9.250 IN;HEIGHT 3.500 IN;HAS 4 BOLT HOLES 1.187 IN DIA SPACED 6.250 IN BY 7.000 IN CENTER TO CENTER;HAS A 2.187 IN INSIDE RADIUS AND A 3.500 IN OUTSIDE RADIUS;BOLT HOLES HAVE A DEPTH OF 1.875 IN;FROM BOLT HOLE CENTERS TO BOLT HOLE CENTERS ALONG LENGTH AXIS THE INSIDE DIA INCREASES TO 2.468 IN RADIUS