2.13" outside diameter X 1.998 inside diameter X .752" long

1.612" outside diameter X 1.470" inside diameter X 1.608" long, 3 grooves to the front, no groove to the back. This is a direct replacement part. No machining required
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1.138" outside diameter X 1.017" inside diameter X 0.984" long
1 used in C6, 2 used in E4OD

2.869" outside diameter X 2.759" inside diameter X 1.24" long.

3.078" outside diameter X 2.964" inside diameter X 0.351" wide

1.461" outside diameter X 1.328" inside diameter X 0.732" wide, 2 required

1.595" outside diameter X 1.471" inside diameter X .569" wide

1.595" outside diameter X 1.471" inside diameter X .569" wide

4 Lube grooves to the front-no grooves rear