Dodge QD Bushing, 4-1/2 in Bore Dia, 5.14 in Barrel Dia, 9 in Hub Dia, 6-1/4 in Bolt Circle, 7-1/4 in Flange Dia, 1 in Flange Thickness, 3 Bolt Holes, 5/8-11 x 4-1/2 in Screw, 45000 in-lb, 4-1/2 in Overall Length, 1 x 1/8 in Keyway, Ductile Iron Size J bushingFlanged design4 deg angled taperEasy On/Off operationManufactured precisely to industry standards