5 in-lb, Coupling Outside Diameter 2 3/4 in, Number of Discs 2 with Center Spacer, Center Spacer Material Aluminum, Length Through Bore 1 1.8 in, Dynamic Torque Non-Reversing 425 in-lb, Hub Length 1.Disc Coupling, Angular Misalignment 2 Degrees , Axial Motion 0.7 in, Length Through Bore 2 1.