Black Oxide Exhaust Manifold Stud Kit XDP Xtreme Diesel PerformanceThe XDP Black Oxide Exhaust Manifold Stud Kit XD530 is designed to replace the corroded or broken manifold bolts in your 1994 2018 Dodge Ram 5. 9L 6. 7L Cummins. Over time the factory bolts tend to seize in place and are prone to breaking or snapping during removal. This manifold stud kit replaces the original bolts and comes with everything needed for installation. Kit includes (12) studs, (12) washers, and (12) 12 point nuts, to ensure a tight, leak