Brand new Grundfos mechanical seal Kit. Fits the Grundfos/Paco Kit Numbers 91909874, 91909802

Head O.D. IN: 2.63 ” | Head O.D. MM: 66.67 mm | Head Length (Installed) IN: 2.00 ” | Head Length (Installed) MM: 50.80 mm | Seat Bore IN: 2.50 ” | Seat Bore MM: 63.50 mm | Seat Thickness IN: 0.50 ” | Seat Thickness MM: 12.70 mm | Seat Type: 1 | Shaft Size IN: 1 3/4″