They come in bag/pouch for each ring...they print ring id pictures on each pouch, or there is an instruction sheet in the box.
The top and second rings must be installed with 'TOP' facing up because the edge of the ring has a specific taper and bevel on the inside.... I don't remember the oil ring having TOP marked on them.
Any multi piece oil ring has no up or down...a single piece ring with expander, might have.
Do you still have all the packaging and pouches the rings came in ?
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