Dodge QD Bushing, 1/2 in Bore Dia, 1.38 in Barrel Dia, 3.93 in Hub Dia, 1-21/32 in Bolt Circle, 2 in Flange Dia, 5/16 in Flange Thickness, 3 Bolt Holes, #10-24 x 1 in Screw, 1000 in-lb, 1 in Overall Length, 1/8 x 1/16 in Keyway, Ductile Iron Size JA bushingFlanged design4 deg angled taperEasy On/Off operationManufactured precisely to industry standards