*** IN STOCK SHIPS TODAY *** 9/16-18 12 point steel nut. These can be used virtually anywhere on your race car that uses a 9/16-18" thread such as the head studs on a Hemi engine.
Mounting flange of nut has been slightly trimmed down and allows the racer the same size wrench head for there 9/16" and 1/2" head stud nuts.
Uses a 11/16" 12 pt. wrench. Nuts are heat treated steel, black oxide finish and sold each.