I do believe it is possible to bolt one in backwards. Should be able to verify install when the clutch cover was unbolted.
130 tooth flywheel hub with a couple MP correct bolts........
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Disc backwards sitting on the flywheel bolts next two pictures..........
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Disc on flywheel with correct orientation............
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I'm thinking the gap may be more noticeable if one is using the bearing in lieu of a bushing. Maybe the spline hub bottoms on it? IDK, I've never used the bearing.