ARP 1007702 Whl Stud 7/16""X20X2 5/Pck " Press-in Type, 7/16 Inch - 20 Thread Size 3.200 Inch Under Head Length; 0.300 Inch Knurl Length Late GM Disc Brake and Early GM Drum Brake Cadmium Plated For Extra Durability 200,000 PSI Tensile Strength