Sbc/Bbc valve cover/oil pan stud. This stud is made from heat treated steel and is black oxide finished with a nice lead on so you can just set the nut on the top and hit it with your speed wrench.
Studs are sold separetely and are 1/4-28 x 1/4-20 x 1.50" long w/starter end. Stud measurements are .450" coarse thread, .150" shoulder, .700" fine thread and .150" starter tip. This stud fits most popular Sbc/Bbc valve covers and oil pans. Studs are sold separetely.