Use this stud chaser to strengthen, clean and repair damaged threads on lug studs. This lug stud chaser is for 5/8"-18 fine thread only, which is primarily for race track application where the larger studs are used.
The normal stud dimensions for Ford are 7/16", 1/2" and 9/16", depending on the application. Chevy also has similar lug stud sizes, depending on the application.