0.360" overall width W2 holes 0.093 in. min dia, 0.113 in. max dia located on c/l on length of gasket, 3.300 in. c to c between bolt holes; 2 holes 0.170 in. min dia, 0.190 in. max dia located on c/l on length of gasket, 2.850 in. c to c between bolt holes