Generally
Cadillac Original valve cover screw 1/4″UNC 15.4mm under the skull 3/8″ Key socket. 1 motor requires 8 screws.
95 kr
Cadillac Original valve cover screw 1/4″UNC 15.4mm under the skull 3/8″ Key socket. 1 motor requires 8 screws.
Don't over tighten the screws so the valve cover gasket is pushed apart, just right is always best