Used Roots Blower Stud Alum. 7/16" x 2.50"

The unique feature of these studs are that they have an internal machined hex that make installation a snap with an 3/16" Alan wrench. The hard anodizing helps prevent galling and the alum. provides light weight while providing a safety factor in the event of a supercharger backfire saving your supercharger or manifold.

The threads are a 7/16-20 on the nut side of the stud and on the manifold side a 7/16-14. Coarse thread is .900", shoulder is .500" and fine thread is .800".

There is one extra stud that someone cut the bottom coarse part to .550", it could be cleaned up and used if buyer chooses for a total of sixteen studs.