Motor Mount Bolts In K Member

[572 hemi]

Hi There, Can any one tell me the size of the bolts or type of bolts that bolt the motor mount brackets to the K member on a b body with a 440, ours are missing in action :angry1:

Thank You

 

[hunt2elk]

7/16 x 4 grade 8 I believe.

 

[572 hemi]

thank you