I'm not sure if this will help. I have a new, never used Kennedy 215mm pressure plate sitting in front of me. I measured it, and it came to 1.375" which I converted and it came to 47.625mm. There are 18 fingers.
Sorry I don't have an original pressure plate to measure.
Good luck 
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Mike
'04 R32 Tornado Red
'02 New Beetle TDI - Daily driver
'64 Ghia - Project!!-Subaru EJ20T, MS/EDIS, 993 brakes, 914 Tranny...
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