This 2 piece cover bolts to the bellhousing and covers the short jet H-bar type driveline adding protection and a clean finished appearance. 7 inches long, 7-1/2 inch O.D. mounting flange, 5-1/2 inch O.D. Tube. 5 inch I.D. tube. The bolt center to center diagonally across the opening is 6-1/2"