Question on a race 8-3/4 axles.

Dr Diffs ad ask what inner axle seal to include for $8.00 or none if you have them. That is the way I read it.
Mopar Green Bearings for 8 3/4" (8.75) and Dana 60
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It does not say "none if you have them."
It says "none".
As in you don't want any.