Has an AFL game ever ended 163-83?
Exactly once. On May 30, 1942, Richmond beat St Kilda 163-83, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 163-83 in league history.
That makes 163-83 the 3883rd most common final score out of 6,649 that have ever occurred in AFL. One point away, 164-83 has happened never and 163-84 has happened never.