To maintain a reputation for "zero defects", ensure optimum quality control, and produce fasteners of exceptionally high quality, ARP controls all aspects of the manufacturing process, performing all operations in-house where they can be closely monitored. ARP takes extraordinary steps to produce the very finest products of their kind on the market today, so you know that these studs will be just what you need to secure a bellhousing in place. They are designed with a bullet nose to guide the bellhousing into position and accept nuts without the fear of cross-threading. These studs measure 3/8 in diameter and 2.000 in length, and are manufactured from rugged 8740 heat-treated alloy. The kit comes complete with nuts and flat washers, and is designed for select Chevrolet, Chrysler KB Hemi applications.