This stud is made from a material that is stronger than 7075 . The stud has 1/2-13 threads on the manifold side and standard 7/16-20 for the manifold nuts. Studs are available in two different lengths due to different superchargers and different thicknesses of blower restraints.
Studs are sold individual. 2.40" overall length stud measures as follows. .800" coarse, .500" shoulder, .800" fine and .300" lead in starter point. Typically works well for DMPE, SSI, PSI, Chuck Ford with 14.3 blower restraint.