Orig set. 16.5 x10 and two 16.5x8 steel wheels gm 8 lugs

[inkfamous_13]

My friend got Parts left to him from his dad when he passed he's got a set of 16.5 in Wheels 8 lug GM they still have like original like instructions sticker on the inside of the Hub part but one of the wheels is like a ivory color and the others are just regular bright white and 2 front ones are like 10 or 8 inches wide and the other two are 10 inches wide trying to find out exactly what these are their stamped around the edge they have YF there's k181 then there's stamping that says use only 16.5 inch tires. 16.5 625 tires I guess