The Ford Oval is cut sharply into the top of each wing nut. The lower ends of the shafts are manufactured with wide shoulders for broad load distribution. All nuts are supplied with a separate stud which permits precision gasket positioning on the head prior to mounting the valve covers. 1/4-20 threads. 4 per package.
Note: Does not fit FE engines.
Formerly p/n: M-6680-A302