18" wheels for sale
 

987 wheels for sale (not mine..) but these look like they are in good condition, the price is right and (IMHO) they look awesome on the 986 chassis.

https://rennlist.com/forums/market/1270792
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Yes, they do.

I am actually looking for a good "off road looking" wheel/tire combo. Still want to go faster than 100km/h in winter time. But regular winter tires don't have that off road look and real off-road tires drive like.... :D