Dodge QD Bushing, 1-7/8 in Bore Dia, 2.81 in Barrel Dia, 4-3/4 in Hub Dia, 3-5/16 in Bolt Circle, 3-7/8 in Flange Dia, 1/2 in Flange Thickness, 3 Bolt Holes, 5/16-18 x 2 in Screw, 7000 in-lb, 1.88 in Overall Length, 1/2 x 1/4 in Keyway, Ductile Iron Size SK bushingFlanged design4 deg angled taperEasy On/Off operationManufactured precisely to industry standards