Here is a picture. It’s a friction fit for the rotor. If you remove the part of the distributor body that has the spark plug electrodes on it (as removed in the picture), the rotor may be easier to remove. (The distributor body is a friction fit too. Once you release the two spring clips that hold on the distributor cap, the distributor body should lift straight up. You may need to wiggle it a bit to get it free.)
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