Dodge QD Bushing, 3-1/2 in Bore Dia, 6-1/2 in Barrel Dia, 11.38 in Hub Dia, 7.88 in Bolt Circle, 9 in Flange Dia, 1-1/4 in Flange Thickness, 4 Bolt Holes, 3/4-10 x 6-3/4 in Screw, 85000 in-lb, 6-3/4 in Overall Length, 7/8 x 7/16 in Keyway, Ductile Iron Size M bushingFlanged design4 deg angled taperEasy On/Off operationManufactured precisely to industry standardsConventional or reverse mounting