Differential COVER Flange hub. 2-1/2" ID X 6-1/2" OD and these are my measurements.
8 Holes in both surfaces, total 16.
171854, 72027912, 1602370, 1652170, 2171854 Replaced by 2171854SM: COVER-DIFF...
LEVER Brace Support Connector Bar 34.75" long X 1.25" wide X .38" thick. Three holes, Two are .37" ID. One hole is .25" ID. Paint is fair, areas of rust.