Dodge QD Bushing, 3-1/2 in Bore Dia, 4.43 in Barrel Dia, 7-3/4 in Hub Dia, 5.63 in Bolt Circle, 6.63 in Flange Dia, 0.81 in Flange Thickness, 3 Bolt Holes, 9/16-12 x 3-5/8 in Screw, 30000 in-lb, 3.63 in Overall Length, 7/8 x 3/16 in Keyway, Ductile Iron Size F bushingFlanged design4 deg angled taperEasy On/Off operationManufactured precisely to industry standards