That's correct - the calipers are the same for vented / solid discs.
The B2 and B3 calipers can't be the same. 239mm discs never got used on the later cars. They're all 256 and up
I may well have a pair of these calipers, new in boxes. I'll check when I get home.
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1991 90 quattro 20v sport
1991 90 quattro
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