I was also looking for these wheels for my 1989 SL. For some months I had my eyes open on...
I was also looking for these wheels for my 1989 SL. For some months I had my eyes open on (German) ebay. Once in a while I saw similar Lorinsers, but with a much lower depth.
For the rear, I was looking for exactly the wheels that's on your picture (but not chromed) . I don't think you can fit the wheels to the front, at least not for 1986-1989 with 4 caliper brakes. There you need the wheels with less depth.
Since I never found these wheels I can not help you with the specifications. For sure they are 16" tall. The lower depth wheels I've seen are 7,5 x 16 or 8 x 16. I don't think you can find the wheels new, so my tip is to just keeping an eye on ebay, maybe they will show up (but who'd like to sell such beauties)?
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