1992 Mountain Dew Southern 500
Contested over 298 laps – shortened from 367 laps due to rain – on the 1 . 366 mile ( 2 . 198 km ) speedway , it was the 21st race of the 1992 NASCAR Winston Cup Series season . 
<triplet> 1992 NASCAR Winston Cup Series <subj> 1992 <obj> point in time