The unique feature of these studs are that they have an external machined hex that make installation a snap with an 5/16" 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 .850", shoulder is .750" and fine thread is 1.175".
These studs are sold in a four pack but if wanting a kit with nuts order #900-0006 or 900-0006A.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.